Sea Trek hosts summer camps for kids, books expeditions to Alaska and Baja, and supports waterway conservation. Beginners' classes in kayaking, guided tours...

Boards, boots, bindings and more for rent, plus an array of cold-weather clothes for sale.

Skates on Haight was at least partly responsible for launching the worldwide skateboarding craze during the 1970s. Stock these days includes in-line skates,...

Near Berkeley, this is a great place to launch into the East Bay trails. Ask about the Nimitz Bike Path.

Professional instruction, boats from 22ft (7m) to 80ft (24m), and a great location near the ballpark.

Located right on Ocean Beach, this shop sells boards, wetsuits and various accessories, and hosts a 24-hour surf report phoneline (273 1618), updated...

The gym of gyms, where serious work is done. There are classes in almost everything, including yoga, boxing, Thai boxing, kickboxing and spin. The clientele...

Popular with beginners and good for drop-ins, Yoga Tree has four locations around town and offers daily classes as well as workshops, massage and retreats.