Acme Airsoft
Acme Airsoft is a community that spreads information about the sport of Airsoft. Airsoft is a military simulation sport, played with realistic guns.
http://www.acmeairsoft.com/

BirdWatcher's Community
A community for birders and birdwatchers to share all things bird related.
http://www.birdwatcherscommunity.com

Northern California mountain biking
Mountain biking community based in the San Francisco Bay Area that caters to bike riders in Northern California. Includes reviews, pictures, videos, event and race coverage, a forum and daily rides
http://www.msdhw.com

Offtopic Chat Forum
Offtopic Chat Forum with free games and lottery, meet Alice the artificial intelligence bot also.
http://www.offtopicz.com/

Online poker forum
Forum designed for online poker and casino players to share information.
http://www.the27offsuit.com

PacTenTalk.com
Community dedicated to Pac 10 sports. Includes forums, scores, polls, news, rankings, and every Pac 10 school is represented.
http://www.pactentalk.com

SoccerOD
A fun football community offering a unique manager game and other features.
http://www.soccerod.com

The Happy Hour Pub
The Happy Hour Pub - Warm Beer, Lousy Conversation, Bad Food. But a fun place to hang out! Plus thousands of drink recipes!
http://www.happyhourpub.com