1Design.Net
Florida catamaran sailing, includes discussion forum, photos, videos, club links, schedule, classifieds, and one design fleets
Beachcats
UK site covers the European catamaran race news, has reviews, photography, and discussion of boat designs.
Cat-alist
Portal for catamaran sailing enthusiasts from maxis to beach cats to racing to cruising: headlines on beach catamaran events, issues, notices, news, classifieds.
Dragonfly Trimarans User Forum
International (independent) user forum for Dragonfly 800, 920, 1000 and 1200 Trimarans. Including information exchange on all aspects of Dragonfly Trimarans plus news and dates and For Sale/Wanted page.
Florida Multihull Sailor
News of multihull regattas in Florida, contains race schedules, reviews, and photography.
Multihull Maven
Profiles all boat models, brands, designers, yards, and associations. News and feature articles and used boat search.
Multihulls.com
Resource for current and future multihull owners and sailors, with information about boat shows, sales, charters, publications, and news.
Outrigger Sailing Canoes
Covers all types of outrigger sailing conoes and proas known as flying or Micronesian proas. Includes history and specifications of proas from 16 to 52 feet.
Proafile
Articles on the sailing, design, development, building, racing, and history of proas.
ProaSail
Proa sailboat instruction, plans, and demonstrations. Includes drawings and construction photos.
Sail 4 Speed
Site of a one off trimaran for racing against itself. We try to optimize the multihull to reach speeds above 30 knots.
Sail-Fever.net
A compilation of locations to sail a Hobie cat. Lists and reviews of rental agencies and training facilities which cater to catamaran sailing.
Supernova fan
Supernova trimaran construction details plus links and a discussion forum.
The Bobcat and Catalac Website
News, tips, pictures, and links for Bobcat and Catalac owners.
The Kalia Foundation
Non-profit organization developed to preserve and extend the Polynesian Seafaring tradition.
TheBeachcats.com
Offers sailing pictures, repair tips, news, free classified ads, and a mailing list.
Themultihulls.com
Find forums, symposiums, meeting schedules, and news relating to catamarans and trimarans.
UK Catamaran Racing Association
Portal site with links to all United Kingdom catamaran class associations, includes mailing list, forums, directory, calendar, and classified ads.
Worrell 1000
The Worrell 1000 catamaran race from Virginia Beach to Florida.
Yahoo! Groups : beachcats
Mailng list devoted to discussion of sailing small catamaran sailboats known as Beachcats. Site offers chat, file storage, web links, photo albums, and message archive.