Fantasy Reef Forum
- Contains forums, galleries and alculators, as well as fish and coral databases.
- http://www.fantasyreef.com/

Saigon Reef
- Forum for Vietnamese hobbyists that keep reef tanks and saltwater aquariums.
- http://www.saigonreef.com/

Living Reefs Forum
- A forum for the discussion of saltwater reef aquaria, fish fish only aquaria, and diving. Also includes a classifieds section and photo albums.
- http://www.livingreefs.com/

Yahoo! Groups: Ohio-Marine-Keepers
- Message board and mailing list for Ohio marine hobbyists.
- http://groups.yahoo.com/group/Ohio-Marine-Keepers/

FishGeeks - Saltwater and Reef Forums
- Active forums for saltwater and reef keepers.
- http://www.aquaria.info/index.php?name=PNphpBB2&file=index&c=16

Fishy Frolics Forum
- Marine fish and reef aquarium discussions. Includes FAQ, picture gallery, chat room, articles and links.
- http://www.fishyfrolics.com/