Western Ohio Reef Club (WORC)
- A group of saltwater enthusiasts in the Western Ohio area founded to share ideas, knowledge, friendship, frags, and learn from each other. Includes a forum, links, and member information.
- http://www.worcreef.org/

Cleveland Saltwater Enthusiasts Association
- C-Sea is a group of both new and advanced marine aquarium hobbyists in the Cleveland area. Contains meeting information, contact information, and photos of members' tanks.
- http://www.c-sea.org/

Northern Valley Reefers
- Meeting details, membership form, board of directors list, and bylaws. San Joaquin County, California.
- http://www.nvreefers.org/

Delaware Reef Club
- News, bylaws, forum, and articles.
- http://www.delreefclub.org/

North Central Pennsylvania Aquarium Reef Society (NCPARS)
- Membership information, news, forums, and gallery.
- http://www.ncpars.org/

Long Island Reef Association (LIRA)
- Mission statement, membership information, events, and a forum.
- http://www.lireef.org/

Brevard Area Reef Society (BARS)
- Meeting information, club history, forum and photos. Brevard County, FL.
- http://www.reefers.org/

Hudson Valley Reef Keepers
- Club information, membership details, forum, and gallery. Hudson Valley, N.Y.
- http://www.hvreef.org/

Middle Tennessee Reef Club
- Club information, application, forum, and gallery.
- http://mtrc.org/

Central Ohio Reef Aquarists (CORA)
- Includes membership and meeting information, as well as a local forum.
- http://corareef.org/

Mobile Bay Reef Keepers
- Local reef club discussion for the Alabama gulf coast.
- http://www.mbrk.com/

New Jersey Reefers Club
- Membership and meeting information, forums, photo galleries, chat, and a calendar. Open to the New Jersey, New York, and Pennsylvania areas.
- http://www.njreefers.org/

Connecticut Area Reef Society
- Club information and news including member tanks and photos, meeting information, forum, hobby and membership information, and links to outside forums and information.
- http://www.ctars.org/

Wastch Marine Aquarium Society
- Events, newsletter, gallery, tank of the month.
- http://www.utahreefs.com/

Lubbock Reef Club
- Club purpose, forum, and meeting information.
- http://www.lubbockreefclub.com/

East Tennessee Reef Club
- Photos, forum, and ETRC membership application form.
- http://www.easttnreefclub.com/

Philadelphia Area Reef Club
- Includes meeting and contact information and photo gallery.
- http://www.phillyreef.org/

Dayton Reef Club
- Photo album and a forum that includes a trading post.
- http://www.daytonreef.com

The Cincinnati Reef Club
- Forum, pictures, club bylaws and commonly used abbreviations.
- http://www.cincyreef.com/

Upstate Reef Society
- A bulletin board and information about a project to build a reef tank in the local zoo.
- http://upstatereef.com/

Las Vegas Valley Reefers (LVVR )
- Membership and meeting information, and past meeting summaries.
- http://www.vegasreefers.com/

Boston Reefers Society
- Contact information, membership details, libarary list, forum, and chat.
- http://www.bostonreefers.org/

Atlanta Reef Club
- Information about past ARC presentations, gallery, and news items.
- http://www.atlantareefclub.org/

Tampa Bay Reef Club
- Includes event information, message board and past meeting summary.
- http://www.tampabayreef.com/

Orlando Reef Caretakers Association
- Meeting schedule, newsletter, discussion board, photos.
- http://www.o-r-c-a.com

Bay Area Reefers (BAR)
- Club events, new member sign-up, member websites.
- http://www.bareefers.org/

Scottish Reefers Club
- Meetings, news and member information, for reefkeepers in Scotland.
- http://www.scottishreefers.org.uk

ReefsUK
- Articles, question and answer page, forum and livestock list.
- http://www.reefsuk.com/