Mariners Team Store | Seattle Mariners

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Our Mariners Team Store locations are open year-round to the public. Visit our flagship store at T-Mobile Park on 1^st Ave and our downtown store at 4^th Ave & Stewart to shop for official Mariners gear – straight from the ballpark! We have the best selection of Mariners caps, apparel, souvenirs and more – many of which are exclusive and only available in our stores. Plus, at our flagship store, check out the game-used and autographed memorabilia area where you can find one-of-a-kind baseballs, bats, line-up cards and more. We also provide custom jersey lettering.

Military Discount

Receive 10% off regular price merchandise every day at the Mariners Team Store with a valid Military ID. Plus, every Tuesday is a "Double Discount Day" where Military receive 20% off regular price merchandise. Some restrictions apply, see store for details.

Mariners Game-Used and Autographed Memorabilia

The Mariners Team Store is the official source for Mariners game-used and autographed memorabilia!

Baseballs, bats, jerseys, line-up cards and other game-used or game-issued items make the perfect gift for any die-hard Mariners fan or as an addition to your own sports memorabilia collection. All Mariners memorabilia are 100% authentic and each item is marked with an alphanumerical, tamper-proof hologram by Major League Baseball. Learn more about the MLB Authentication Program here.

Game-used items are sold in-person at T-Mobile Park and online via Mariners.com/Auction.

You can also email us at [email protected] for any specific questions.