Sfexplorecard

Explore San Francisco without burning a hole in your wallet - SF Explore was set up to help people have fun in San Francisco while getting the most bang for their buck. Purchase an SF Explore card, which is valid until the end of a given year (right now, their summer special is $25 versus $50 regularly). Present your card to participating merchants when making your purchase to redeem deals, which range from free appetizers at restaurants to percentage discounts on art at galleries to free cover at aquariums, and more. It is also neat forum where you can share information with users about participating merchants and get information on places to eat, play, and live in San Francisco, all in one place. The number of users is growing quickly, and merchants are being added on a weekly basis, so check this out for new updates and save!