Bike & Rock: Alcatraz Island and Bike the Golden Gate Bridge
First, choose your preferred date for the Alcatraz Island tour. After selecting the date, pick the number of tickets you'd like to purchase. Remember to arrive at Alcatraz Landing (Pier 33 on the Embarcadero) at least 30 minutes before your departure time. You can participate in the other activities in your package on any day of your choice.
Next, fill in the travelers' information, and you're all set to go.