Contact Information

The Long Now Foundation
2 Marina Blvd.
Fort Mason Center Bldg. A
San Francisco, CA 94123

The Interval is now open!

Come enjoy coffee or cocktails surrounded by books floor-to-ceiling and mechanical wonders from a clock engineered to last 10,000 years. Featuring Brian Eno's music and his ambient painting—a continuously evolving, never-repeating work of art. An inspiring venue for great conversations and delicious drinks.

The Interval is open 10:00am to midnight daily.
We serve our cafe menu 10am until 5pm on weekdays
Cocktails, wine and beer 5pm to 12am on weeknights
and all day Saturday & Sunday