There is no food or snacks available on the Island. Bring some snacks or eat before the trip to Alcatraz. Bottled water is available!
https://www.cityexperiences.com/san-francisco/city-cruises/alcatraz/
No Special Occasion Reservation available!
These hours may vary with the season; the only way to get to Alcatraz Island is by Alcatraz City Cruises.