USCG Boating Safety Site
USCG Federal Requirements and Safety Tips for Recreational Boaters

San Francisco Sailing Site

Sails, sail trim

Sailing Source -- centralized source with many links. The NEILPRYDE Sails newsletters are very interesting -- here's an interesting article on assymetrical spinnakers, for example.

Quantum Sails also has an interesting article on assymetrical spinnakers.

Here's a different The Sailing Source    -- Sails, spars, rigging, canvas, hardware, etc.

...and some other manufacturers sites

Pointsails   San Diego's Leading Independent Sailmaker.
Sailrite   Sail kits, finished sails, sailmaking supplies, advice
Bacon Sails  Used sails -- a review of Bacon Sails can be found here
Atlantic Sail Traders  More Used Sails
Leech & Rudiger Sails Used Sails in SF Bay Area
North Sails
Cruising Direct

Electric Systems and Propulsion for Boats

Humor

Publications