The Seattle Mariners have officially launched their 2026 Flex Memberships, giving fans a fresh way to experience Major League Baseball at T-Mobile Park. Flex Memberships allow fans to customize their package, choosing games and seats that best fit their schedules and preferences. Members also enjoy exclusive benefits including early access to tickets, special discounts, and unique experiences throughout the season. For Mariners supporters seeking flexibility and value, this new membership is the perfect play for the upcoming season.