| Fri, Feb 21, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Fri, Feb 21, 2025 | Away | Peoria Stadium |
| Sat, Feb 22, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sat, Feb 22, 2025 | Away | Tempe Diablo Stadium |
| Sun, Feb 23, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Sun, Feb 23, 2025 | Home | Peoria Stadium |
| Mon, Feb 24, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Mon, Feb 24, 2025 | Away | American Family Fields of Phoenix |
| Tue, Feb 25, 2025 | Los Angeles Dodgers | Seattle Mariners vs Los Angeles Dodgers - Tue, Feb 25, 2025 | Away | Camelback Ranch |
| Wed, Feb 26, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Wed, Feb 26, 2025 | Home | Peoria Stadium |
| Thu, Feb 27, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Thu, Feb 27, 2025 | Away | Surprise Stadium |
| Thu, Feb 27, 2025 | San Francisco Giants | Seattle Mariners vs San Francisco Giants - Thu, Feb 27, 2025 | Home | Peoria Stadium |
| Fri, Feb 28, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Fri, Feb 28, 2025 | Away | Peoria Stadium |
| Sat, Mar 1, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Sat, Mar 1, 2025 | Home | Peoria Stadium |
| Sun, Mar 2, 2025 | Colorado Rockies | Seattle Mariners vs Colorado Rockies - Sun, Mar 2, 2025 | Away | Salt River Fields at Talking Stick |
| Mon, Mar 3, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Mon, Mar 3, 2025 | Home | Peoria Stadium |
| Wed, Mar 5, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Wed, Mar 5, 2025 | Away | Surprise Stadium |
| Thu, Mar 6, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Thu, Mar 6, 2025 | Away | Salt River Fields at Talking Stick |
| Thu, Mar 6, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Thu, Mar 6, 2025 | Home | Peoria Stadium |
| Fri, Mar 7, 2025 | Los Angeles Dodgers | Seattle Mariners vs Los Angeles Dodgers - Fri, Mar 7, 2025 | Home | Peoria Stadium |
| Sat, Mar 8, 2025 | Chicago Cubs | Seattle Mariners vs Chicago Cubs - Sat, Mar 8, 2025 | Away | Sloan Park |
| Sun, Mar 9, 2025 | Colorado Rockies | Seattle Mariners vs Colorado Rockies - Sun, Mar 9, 2025 | Home | Peoria Stadium |
| Mon, Mar 10, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Mon, Mar 10, 2025 | Away | American Family Fields of Phoenix |
| Wed, Mar 12, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Wed, Mar 12, 2025 | Home | Peoria Stadium |
| Thu, Mar 13, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Thu, Mar 13, 2025 | Home | Peoria Stadium |
| Fri, Mar 14, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Fri, Mar 14, 2025 | Away | Goodyear Ballpark |
| Sat, Mar 15, 2025 | San Francisco Giants | Seattle Mariners vs San Francisco Giants - Sat, Mar 15, 2025 | Away | Scottsdale Stadium |
| Sat, Mar 15, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Sat, Mar 15, 2025 | Home | Peoria Stadium |
| Sun, Mar 16, 2025 | Cincinnati Reds | Seattle Mariners vs Cincinnati Reds - Sun, Mar 16, 2025 | Away | Goodyear Ballpark |
| Mon, Mar 17, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Mon, Mar 17, 2025 | Away | Hohokam Stadium |
| Tue, Mar 18, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Tue, Mar 18, 2025 | Home | Peoria Stadium |
| Wed, Mar 19, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Wed, Mar 19, 2025 | Home | Peoria Stadium |
| Fri, Mar 21, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Fri, Mar 21, 2025 | Away | Surprise Stadium |
| Fri, Mar 21, 2025 | Cincinnati Reds | Seattle Mariners vs Cincinnati Reds - Fri, Mar 21, 2025 | Home | Peoria Stadium |
| Sat, Mar 22, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Sat, Mar 22, 2025 | Away | Camelback Ranch |
| Sun, Mar 23, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Sun, Mar 23, 2025 | Home | Peoria Stadium |
| Mon, Mar 24, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Mon, Mar 24, 2025 | Away | Peoria Stadium |
| Thu, Mar 27, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Thu, Mar 27, 2025 | Home | T-Mobile Park |
| Fri, Mar 28, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Fri, Mar 28, 2025 | Home | T-Mobile Park |
| Sat, Mar 29, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Sat, Mar 29, 2025 | Home | T-Mobile Park |
| Sun, Mar 30, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Sun, Mar 30, 2025 | Home | T-Mobile Park |
| Mon, Mar 31, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Mon, Mar 31, 2025 | Home | T-Mobile Park |
| Tue, Apr 1, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Tue, Apr 1, 2025 | Home | T-Mobile Park |
| Wed, Apr 2, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Wed, Apr 2, 2025 | Home | T-Mobile Park |
| Fri, Apr 4, 2025 | San Francisco Giants | Seattle Mariners vs San Francisco Giants - Fri, Apr 4, 2025 | Away | Oracle Park |
| Sat, Apr 5, 2025 | San Francisco Giants | Seattle Mariners vs San Francisco Giants - Sat, Apr 5, 2025 | Away | Oracle Park |
| Sun, Apr 6, 2025 | San Francisco Giants | Seattle Mariners vs San Francisco Giants - Sun, Apr 6, 2025 | Away | Oracle Park |
| Mon, Apr 7, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Mon, Apr 7, 2025 | Home | T-Mobile Park |
| Tue, Apr 8, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Tue, Apr 8, 2025 | Home | T-Mobile Park |
| Wed, Apr 9, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Wed, Apr 9, 2025 | Home | T-Mobile Park |
| Fri, Apr 11, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Fri, Apr 11, 2025 | Home | T-Mobile Park |
| Sat, Apr 12, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sat, Apr 12, 2025 | Home | T-Mobile Park |
| Sun, Apr 13, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sun, Apr 13, 2025 | Home | T-Mobile Park |
| Tue, Apr 15, 2025 | Cincinnati Reds | Seattle Mariners vs Cincinnati Reds - Tue, Apr 15, 2025 | Away | Great American Ball Park |
| Wed, Apr 16, 2025 | Cincinnati Reds | Seattle Mariners vs Cincinnati Reds - Wed, Apr 16, 2025 | Away | Great American Ball Park |
| Thu, Apr 17, 2025 | Cincinnati Reds | Seattle Mariners vs Cincinnati Reds - Thu, Apr 17, 2025 | Away | Great American Ball Park |
| Fri, Apr 18, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Fri, Apr 18, 2025 | Away | Rogers Centre |
| Sat, Apr 19, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sat, Apr 19, 2025 | Away | Rogers Centre |
| Sun, Apr 20, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sun, Apr 20, 2025 | Away | Rogers Centre |
| Tue, Apr 22, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Tue, Apr 22, 2025 | Away | Fenway Park |
| Wed, Apr 23, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Wed, Apr 23, 2025 | Away | Fenway Park |
| Thu, Apr 24, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Thu, Apr 24, 2025 | Away | Fenway Park |
| Fri, Apr 25, 2025 | Miami Marlins | Seattle Mariners vs Miami Marlins - Fri, Apr 25, 2025 | Home | T-Mobile Park |
| Sat, Apr 26, 2025 | Miami Marlins | Seattle Mariners vs Miami Marlins - Sat, Apr 26, 2025 | Home | T-Mobile Park |
| Sun, Apr 27, 2025 | Miami Marlins | Seattle Mariners vs Miami Marlins - Sun, Apr 27, 2025 | Home | T-Mobile Park |
| Tue, Apr 29, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Tue, Apr 29, 2025 | Home | T-Mobile Park |
| Wed, Apr 30, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Wed, Apr 30, 2025 | Home | T-Mobile Park |
| Fri, May 2, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Fri, May 2, 2025 | Away | Globe Life Field |
| Sat, May 3, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sat, May 3, 2025 | Away | Globe Life Field |
| Sun, May 4, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sun, May 4, 2025 | Away | Globe Life Field |
| Mon, May 5, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Mon, May 5, 2025 | Away | Sutter Health Park |
| Tue, May 6, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Tue, May 6, 2025 | Away | Sutter Health Park |
| Wed, May 7, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Wed, May 7, 2025 | Away | Sutter Health Park |
| Fri, May 9, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Fri, May 9, 2025 | Home | T-Mobile Park |
| Sat, May 10, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sat, May 10, 2025 | Home | T-Mobile Park |
| Sun, May 11, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sun, May 11, 2025 | Home | T-Mobile Park |
| Mon, May 12, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Mon, May 12, 2025 | Home | T-Mobile Park |
| Tue, May 13, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Tue, May 13, 2025 | Home | T-Mobile Park |
| Wed, May 14, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Wed, May 14, 2025 | Home | T-Mobile Park |
| Fri, May 16, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Fri, May 16, 2025 | Away | Petco Park |
| Sat, May 17, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Sat, May 17, 2025 | Away | Petco Park |
| Sun, May 18, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Sun, May 18, 2025 | Away | Petco Park |
| Mon, May 19, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Mon, May 19, 2025 | Away | Rate Field |
| Tue, May 20, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Tue, May 20, 2025 | Away | Rate Field |
| Wed, May 21, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Wed, May 21, 2025 | Away | Rate Field |
| Thu, May 22, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Thu, May 22, 2025 | Away | Daikin Park |
| Fri, May 23, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Fri, May 23, 2025 | Away | Daikin Park |
| Sat, May 24, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sat, May 24, 2025 | Away | Daikin Park |
| Sun, May 25, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sun, May 25, 2025 | Away | Daikin Park |
| Tue, May 27, 2025 | Washington Nationals | Seattle Mariners vs Washington Nationals - Tue, May 27, 2025 | Home | T-Mobile Park |
| Wed, May 28, 2025 | Washington Nationals | Seattle Mariners vs Washington Nationals - Wed, May 28, 2025 | Home | T-Mobile Park |
| Thu, May 29, 2025 | Washington Nationals | Seattle Mariners vs Washington Nationals - Thu, May 29, 2025 | Home | T-Mobile Park |
| Fri, May 30, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Fri, May 30, 2025 | Home | T-Mobile Park |
| Sat, May 31, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Sat, May 31, 2025 | Home | T-Mobile Park |
| Sun, Jun 1, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Sun, Jun 1, 2025 | Home | T-Mobile Park |
| Tue, Jun 3, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Tue, Jun 3, 2025 | Home | T-Mobile Park |
| Wed, Jun 4, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Wed, Jun 4, 2025 | Home | T-Mobile Park |
| Thu, Jun 5, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Thu, Jun 5, 2025 | Home | T-Mobile Park |
| Fri, Jun 6, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Fri, Jun 6, 2025 | Away | Angel Stadium |
| Sat, Jun 7, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sat, Jun 7, 2025 | Away | Angel Stadium |
| Sun, Jun 8, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sun, Jun 8, 2025 | Away | Angel Stadium |
| Mon, Jun 9, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Mon, Jun 9, 2025 | Away | Chase Field |
| Tue, Jun 10, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Tue, Jun 10, 2025 | Away | Chase Field |
| Wed, Jun 11, 2025 | Arizona Diamondbacks | Seattle Mariners vs Arizona Diamondbacks - Wed, Jun 11, 2025 | Away | Chase Field |
| Fri, Jun 13, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Fri, Jun 13, 2025 | Home | T-Mobile Park |
| Sat, Jun 14, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Sat, Jun 14, 2025 | Home | T-Mobile Park |
| Sun, Jun 15, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Sun, Jun 15, 2025 | Home | T-Mobile Park |
| Mon, Jun 16, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Mon, Jun 16, 2025 | Home | T-Mobile Park |
| Tue, Jun 17, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Tue, Jun 17, 2025 | Home | T-Mobile Park |
| Wed, Jun 18, 2025 | Boston Red Sox | Seattle Mariners vs Boston Red Sox - Wed, Jun 18, 2025 | Home | T-Mobile Park |
| Fri, Jun 20, 2025 | Chicago Cubs | Seattle Mariners vs Chicago Cubs - Fri, Jun 20, 2025 | Away | Wrigley Field |
| Sat, Jun 21, 2025 | Chicago Cubs | Seattle Mariners vs Chicago Cubs - Sat, Jun 21, 2025 | Away | Wrigley Field |
| Sun, Jun 22, 2025 | Chicago Cubs | Seattle Mariners vs Chicago Cubs - Sun, Jun 22, 2025 | Away | Wrigley Field |
| Mon, Jun 23, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Mon, Jun 23, 2025 | Away | Target Field |
| Tue, Jun 24, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Tue, Jun 24, 2025 | Away | Target Field |
| Wed, Jun 25, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Wed, Jun 25, 2025 | Away | Target Field |
| Thu, Jun 26, 2025 | Minnesota Twins | Seattle Mariners vs Minnesota Twins - Thu, Jun 26, 2025 | Away | Target Field |
| Fri, Jun 27, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Fri, Jun 27, 2025 | Away | Globe Life Field |
| Sat, Jun 28, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sat, Jun 28, 2025 | Away | Globe Life Field |
| Sun, Jun 29, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sun, Jun 29, 2025 | Away | Globe Life Field |
| Mon, Jun 30, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Mon, Jun 30, 2025 | Home | T-Mobile Park |
| Tue, Jul 1, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Tue, Jul 1, 2025 | Home | T-Mobile Park |
| Wed, Jul 2, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Wed, Jul 2, 2025 | Home | T-Mobile Park |
| Thu, Jul 3, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Thu, Jul 3, 2025 | Home | T-Mobile Park |
| Fri, Jul 4, 2025 | Pittsburgh Pirates | Seattle Mariners vs Pittsburgh Pirates - Fri, Jul 4, 2025 | Home | T-Mobile Park |
| Sat, Jul 5, 2025 | Pittsburgh Pirates | Seattle Mariners vs Pittsburgh Pirates - Sat, Jul 5, 2025 | Home | T-Mobile Park |
| Sun, Jul 6, 2025 | Pittsburgh Pirates | Seattle Mariners vs Pittsburgh Pirates - Sun, Jul 6, 2025 | Home | T-Mobile Park |
| Tue, Jul 8, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Tue, Jul 8, 2025 | Away | Yankee Stadium |
| Wed, Jul 9, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Wed, Jul 9, 2025 | Away | Yankee Stadium |
| Thu, Jul 10, 2025 | New York Yankees | Seattle Mariners vs New York Yankees - Thu, Jul 10, 2025 | Away | Yankee Stadium |
| Fri, Jul 11, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Fri, Jul 11, 2025 | Away | Comerica Park |
| Sat, Jul 12, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Sat, Jul 12, 2025 | Away | Comerica Park |
| Sun, Jul 13, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Sun, Jul 13, 2025 | Away | Comerica Park |
| Fri, Jul 18, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Fri, Jul 18, 2025 | Home | T-Mobile Park |
| Sat, Jul 19, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sat, Jul 19, 2025 | Home | T-Mobile Park |
| Sun, Jul 20, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sun, Jul 20, 2025 | Home | T-Mobile Park |
| Mon, Jul 21, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Mon, Jul 21, 2025 | Home | T-Mobile Park |
| Tue, Jul 22, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Tue, Jul 22, 2025 | Home | T-Mobile Park |
| Wed, Jul 23, 2025 | Milwaukee Brewers | Seattle Mariners vs Milwaukee Brewers - Wed, Jul 23, 2025 | Home | T-Mobile Park |
| Thu, Jul 24, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Thu, Jul 24, 2025 | Away | Angel Stadium |
| Fri, Jul 25, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Fri, Jul 25, 2025 | Away | Angel Stadium |
| Sat, Jul 26, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sat, Jul 26, 2025 | Away | Angel Stadium |
| Sun, Jul 27, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sun, Jul 27, 2025 | Away | Angel Stadium |
| Mon, Jul 28, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Mon, Jul 28, 2025 | Away | Sutter Health Park |
| Tue, Jul 29, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Tue, Jul 29, 2025 | Away | Sutter Health Park |
| Wed, Jul 30, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Wed, Jul 30, 2025 | Away | Sutter Health Park |
| Thu, Jul 31, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Thu, Jul 31, 2025 | Home | T-Mobile Park |
| Fri, Aug 1, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Fri, Aug 1, 2025 | Home | T-Mobile Park |
| Sat, Aug 2, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sat, Aug 2, 2025 | Home | T-Mobile Park |
| Sun, Aug 3, 2025 | Texas Rangers | Seattle Mariners vs Texas Rangers - Sun, Aug 3, 2025 | Home | T-Mobile Park |
| Tue, Aug 5, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Tue, Aug 5, 2025 | Home | T-Mobile Park |
| Wed, Aug 6, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Wed, Aug 6, 2025 | Home | T-Mobile Park |
| Thu, Aug 7, 2025 | Chicago White Sox | Seattle Mariners vs Chicago White Sox - Thu, Aug 7, 2025 | Home | T-Mobile Park |
| Fri, Aug 8, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Fri, Aug 8, 2025 | Home | T-Mobile Park |
| Sat, Aug 9, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Sat, Aug 9, 2025 | Home | T-Mobile Park |
| Sun, Aug 10, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Sun, Aug 10, 2025 | Home | T-Mobile Park |
| Tue, Aug 12, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Tue, Aug 12, 2025 | Away | Oriole Park at Camden Yards |
| Wed, Aug 13, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Wed, Aug 13, 2025 | Away | Oriole Park at Camden Yards |
| Thu, Aug 14, 2025 | Baltimore Orioles | Seattle Mariners vs Baltimore Orioles - Thu, Aug 14, 2025 | Away | Oriole Park at Camden Yards |
| Fri, Aug 15, 2025 | New York Mets | Seattle Mariners vs New York Mets - Fri, Aug 15, 2025 | Away | Citi Field |
| Sat, Aug 16, 2025 | New York Mets | Seattle Mariners vs New York Mets - Sat, Aug 16, 2025 | Away | Citi Field |
| Sun, Aug 17, 2025 | New York Mets | Seattle Mariners vs New York Mets - Sun, Aug 17, 2025 | Away | Journey Bank Ballpark |
| Mon, Aug 18, 2025 | Philadelphia Phillies | Seattle Mariners vs Philadelphia Phillies - Mon, Aug 18, 2025 | Away | Citizens Bank Park |
| Tue, Aug 19, 2025 | Philadelphia Phillies | Seattle Mariners vs Philadelphia Phillies - Tue, Aug 19, 2025 | Away | Citizens Bank Park |
| Wed, Aug 20, 2025 | Philadelphia Phillies | Seattle Mariners vs Philadelphia Phillies - Wed, Aug 20, 2025 | Away | Citizens Bank Park |
| Fri, Aug 22, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Fri, Aug 22, 2025 | Home | T-Mobile Park |
| Sat, Aug 23, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Sat, Aug 23, 2025 | Home | T-Mobile Park |
| Sun, Aug 24, 2025 | Oakland Athletics | Seattle Mariners vs Oakland Athletics - Sun, Aug 24, 2025 | Home | T-Mobile Park |
| Mon, Aug 25, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Mon, Aug 25, 2025 | Home | T-Mobile Park |
| Tue, Aug 26, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Tue, Aug 26, 2025 | Home | T-Mobile Park |
| Wed, Aug 27, 2025 | San Diego Padres | Seattle Mariners vs San Diego Padres - Wed, Aug 27, 2025 | Home | T-Mobile Park |
| Fri, Aug 29, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Fri, Aug 29, 2025 | Away | Progressive Field |
| Sat, Aug 30, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Sat, Aug 30, 2025 | Away | Progressive Field |
| Sun, Aug 31, 2025 | Cleveland Guardians | Seattle Mariners vs Cleveland Guardians - Sun, Aug 31, 2025 | Away | Progressive Field |
| Mon, Sep 1, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Mon, Sep 1, 2025 | Away | George M. Steinbrenner Field |
| Tue, Sep 2, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Tue, Sep 2, 2025 | Away | George M. Steinbrenner Field |
| Wed, Sep 3, 2025 | Tampa Bay Rays | Seattle Mariners vs Tampa Bay Rays - Wed, Sep 3, 2025 | Away | George M. Steinbrenner Field |
| Fri, Sep 5, 2025 | Atlanta Braves | Seattle Mariners vs Atlanta Braves - Fri, Sep 5, 2025 | Away | Truist Park |
| Sat, Sep 6, 2025 | Atlanta Braves | Seattle Mariners vs Atlanta Braves - Sat, Sep 6, 2025 | Away | Truist Park |
| Sun, Sep 7, 2025 | Atlanta Braves | Seattle Mariners vs Atlanta Braves - Sun, Sep 7, 2025 | Away | Truist Park |
| Mon, Sep 8, 2025 | St Louis Cardinals | Seattle Mariners vs St Louis Cardinals - Mon, Sep 8, 2025 | Home | T-Mobile Park |
| Tue, Sep 9, 2025 | St Louis Cardinals | Seattle Mariners vs St Louis Cardinals - Tue, Sep 9, 2025 | Home | T-Mobile Park |
| Wed, Sep 10, 2025 | St Louis Cardinals | Seattle Mariners vs St Louis Cardinals - Wed, Sep 10, 2025 | Home | T-Mobile Park |
| Thu, Sep 11, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Thu, Sep 11, 2025 | Home | T-Mobile Park |
| Fri, Sep 12, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Fri, Sep 12, 2025 | Home | T-Mobile Park |
| Sat, Sep 13, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sat, Sep 13, 2025 | Home | T-Mobile Park |
| Sun, Sep 14, 2025 | Los Angeles Angels | Seattle Mariners vs Los Angeles Angels - Sun, Sep 14, 2025 | Home | T-Mobile Park |
| Tue, Sep 16, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Tue, Sep 16, 2025 | Away | Kauffman Stadium |
| Wed, Sep 17, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Wed, Sep 17, 2025 | Away | Kauffman Stadium |
| Thu, Sep 18, 2025 | Kansas City Royals | Seattle Mariners vs Kansas City Royals - Thu, Sep 18, 2025 | Away | Kauffman Stadium |
| Fri, Sep 19, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Fri, Sep 19, 2025 | Away | Daikin Park |
| Sat, Sep 20, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sat, Sep 20, 2025 | Away | Daikin Park |
| Sun, Sep 21, 2025 | Houston Astros | Seattle Mariners vs Houston Astros - Sun, Sep 21, 2025 | Away | Daikin Park |
| Tue, Sep 23, 2025 | Colorado Rockies | Seattle Mariners vs Colorado Rockies - Tue, Sep 23, 2025 | Home | T-Mobile Park |
| Wed, Sep 24, 2025 | Colorado Rockies | Seattle Mariners vs Colorado Rockies - Wed, Sep 24, 2025 | Home | T-Mobile Park |
| Thu, Sep 25, 2025 | Colorado Rockies | Seattle Mariners vs Colorado Rockies - Thu, Sep 25, 2025 | Home | T-Mobile Park |
| Fri, Sep 26, 2025 | Los Angeles Dodgers | Seattle Mariners vs Los Angeles Dodgers - Fri, Sep 26, 2025 | Home | T-Mobile Park |
| Sat, Sep 27, 2025 | Los Angeles Dodgers | Seattle Mariners vs Los Angeles Dodgers - Sat, Sep 27, 2025 | Home | T-Mobile Park |
| Sun, Sep 28, 2025 | Los Angeles Dodgers | Seattle Mariners vs Los Angeles Dodgers - Sun, Sep 28, 2025 | Home | T-Mobile Park |
| Sat, Oct 4, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Sat, Oct 4, 2025 | Home | T-Mobile Park |
| Sun, Oct 5, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Sun, Oct 5, 2025 | Home | T-Mobile Park |
| Tue, Oct 7, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Tue, Oct 7, 2025 | Away | Comerica Park |
| Wed, Oct 8, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Wed, Oct 8, 2025 | Away | Comerica Park |
| Fri, Oct 10, 2025 | Detroit Tigers | Seattle Mariners vs Detroit Tigers - Fri, Oct 10, 2025 | Home | T-Mobile Park |
| Sun, Oct 12, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sun, Oct 12, 2025 | Away | Rogers Centre |
| Mon, Oct 13, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Mon, Oct 13, 2025 | Away | Rogers Centre |
| Wed, Oct 15, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Wed, Oct 15, 2025 | Home | T-Mobile Park |
| Thu, Oct 16, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Thu, Oct 16, 2025 | Home | T-Mobile Park |
| Fri, Oct 17, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Fri, Oct 17, 2025 | Home | T-Mobile Park |
| Sun, Oct 19, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Sun, Oct 19, 2025 | Away | Rogers Centre |
| Mon, Oct 20, 2025 | Toronto Blue Jays | Seattle Mariners vs Toronto Blue Jays - Mon, Oct 20, 2025 | Away | Rogers Centre |
