The Seattle Mariners support thousands of organizations every year through donations to fundraising events. Donations include promotional items, tickets and/or autographed memorabilia. No sponsorship or monetary donation will be given. All donation requests must be submitted online via our donation request form found. We no longer accept phone, letter or email requests. To submit an in-kind donation request, please click the button below.
Dream Team Assembly Program
To request the Mariners DREAM Team Assembly at your elementary school, please send a letter of request on the schools letterhead.
Speaker's Bureau/Player Apperances
Appearance requests for current players, former players, and front office personnel must be sent at least 6 weeks prior to your event. When soliciting an appearance by a current player, please consider the Mariners travel schedule.
To request tickets for members of a non-profit organization please submit request in writing, on organizational letterhead and include organizations non-profit tax ID number. Tickets are limited to select games and subject to availability.
The Mariner Moose is available for private and corporate appearances. To book the Mariner Moose at your next event, please call the Mariner Moose Scheduling Hotline at (206) 346-4321, e-mail firstname.lastname@example.org, or send your request in writing to the address above.