Ultimate San Francisco 2-Day Adventure: Alcatraz, Aquarium, Muir Woods, and Sausalito Embark on an exciting 2-day adventure in San Francisco! On the first day, delve into the fascinating history of Alcatraz Island with a 3-hour ferry and audio tour of the iconic prison, then dive into the wonders of the deep at the Aquarium of the Bay, where you’ll encounter a diverse array of marine life. On the second day, explore the natural beauty of Muir Woods and the charming town of Sausalito. For $14 extra, take a scenic ferry ride to Fisherman's Wharf or the San Francisco Ferry Building. Continue sightseeing and easily return to your hotel via cable car or public transport. Sausalito ferry departure times vary seasonally, adding spontaneity to your trip.