Undersea Expeditions
- Travel company specialising in G&L Scuba Diving. Vacations to destinations such as Roatan, Hawaii, and Papua New Guinea.
- http://www.underseax.com/

Sydney Underwater Bushwalking Society (SUBS)
- Features an events calendar, gallery, links, and membership information for this Sydney, Australia based club for gay and lesbian scuba divers and snorkellers.
- http://www.gaydive.org.au/

Northern California Rainbow Divers
- Includes membership information and events schedule. Offers diving classes. Based in the San Francisco Bay area.
- http://www.rainbowdivers.org/

Diving for Life
- Annual international event held as a fund raiser for AIDS charities. Includes registration and sponsorship information.
- http://www.divingforlife.org/

Bottom Dwellers
- Includes membership information, past event pictures, and events calendar. Based in Seattle, Washington.
- http://www.bottomdwellers.org/

Barnacle Busters
- Includes membership information, resource list, and events calendar with both local and tropical dives. Based in Southern California.
- http://www.barnaclebusters.org/