Seattle Mariners

The Seattle Mariners play home games at T-Mobile Park in Seattle, WA and compete in the Major League Baseball. Founded in 1977, the franchise has won no championships to date. As a MLB team, they play a full regular season schedule plus playoffs when eligible.

Where to Bet on the Seattle Mariners

You can bet on Seattle Mariners games at any licensed US sportsbook in a state with legal sports betting. All major national operators — DraftKings, FanDuel, BetMGM, Caesars, Fanatics, and more — offer full MLB markets including moneylines, point spreads, totals, player props, and live in-game betting.

Home State: Washington

The Seattle Mariners are based in Washington. Sports betting is available at retail locations only in Washington. See our full Washington betting guide for details.

Common Seattle Mariners Bet Types

The most popular ways to bet on the Seattle Mariners include: moneyline (picking the winner straight up), point spread (picking a team to cover a handicap), totals (over/under on combined points), player props (individual performance markets), futures (championship, division, and award bets), and live betting (in-game wagers). Most US sportsbooks also offer same-game parlays that combine multiple markets from a single Seattle Mariners game.