- San Francisco Little League
- Treasure Island Sailing Center
- San Francisco Golden Gate Rugby
- San Francisco Gaelic Athletic Association
- A Tran's Bay Bike Shop
Tepper Field (Treasure Island #1) Ave. N and 4th Street
Ketcham Field (Treasure Island #2) Ave. M and 8th Street
Treasure Island Field #3 - Ave. H and 9th Street
Treasure Island Field #4 - Ave. H and 9th Street
Treasure Island is home to four San Francisco Little League (SFLL) fields utilized by SFLL's baseball, softball and Challenger programs. The fields are available for appropriate use by the Island community when not utilized by SFLL.
698 California Ave at Ave. M
View the TISC Website.
The Treasure Island Sailing Center is a 501(c)(3) non-profit organization whose purpose is to improve the community and the sport of sailing by providing access, facilities, and sailing and water sports instruction to people of all ages, socioeconomic backgrounds, skill levels, and physical abilities, including adaptive sailing.
725 California Ave at Ave. H
View the SFGG Website.
San Francisco Golden Gate Rugby Club provides structure for players of all ages while nurturing their understanding and enjoyment of the game as well as providing the platform necessary to develop elite players that compete at the highest level of the sport. The Club has teams ranging from non-contact U-8s to the Elite Cup.
SFGAA Youth Field - California Ave at Ave. H
SFGAA Grounds - Ave. H at 11th St.
View the SFGAA website.
The Gaelic Athletic Association is the governing body of the Gaelic Games of Hurling and Gaelic Football, as well as such games as Rounders and Handball. The SFGAA encompasses the greater Bay Area region and is a totally amateur, non-profit, community-based organisation whose remit includes the promotion of Irish culture as expressed through sport, poetry, song, dance, and music.
T.I. Administration Building, One Avenue of Palms, Suite 021
Enter off the TI Marina Parking lot, behind TI Bar and Grill.
View A Tran's Bay Bike Shop website.
A Tran's Bay Bike Shop is a full service bicycle shop and offers service and repairs, rentals and sales. Whether you're an Island resident in need of a tune-up, or a visitor looking to tour the Island on a rental, A Tran's Bay Bike Shop has you covered! Discounts available for San Francisco Bicycle Coalition Members.