Browse our Seattle Mariners swim collection to find flip flop, beach towels, sunglasses and more. Enjoy going out by the water while cheering on your favorite team with official fan apparel. Lay out your Mariners beach towel on the beach or by the pool and show off your team pride for everyone to see. You can also sport your team color sunglasses to keep the sun out of your eyes. We have a wide range of swim collection items for men, women and kids. Grab your Mariners bathing suit and enjoy supporting your team in the beautiful weather. Relish in the style and color of all the apparel that is available here. Check out all of the Seattle Mariners fan gear here at the MLB Shop.