3reef Forums - A resource for reef aquariums with forums and product reviews.

Captive Reefing Forums - Forum dedicated to the marine reef aquarium hobby. Learn about reef aquarium setup and maintenance and view coral and marine fish photos. Discuss and chat with hobbyists of all levels from beginner to advanced.

Coral Forum - Includes setup and maintenance information forums and photos.

Frag Reef Aquarists Guild - Discussion boards covering novice questions reef fish fragging equipment and do-it-yourself. Articles and reef news.

Home Reef Keeping - Online community and information for saltwater enthusiasts and marine aquarium reef keepers including fish and invertibrate profiles and articles on building your reef.

Marinefishuk - Focusing on reefs topics discussed include general reefing equipment and hardware livestock and diving. Also contains a classifieds board and chat room.

Michigan Reefers - Dedicated to reefing questions and answers along with live chats.

Reef Aquarium Guide - Moderated forums and galleries of members' aquaria.

Reef Central Online Community - Learn about reef aquarium setup and maintenance and view coral and marine fish photos. Includes discussion board and chat.

Reef Chat Marine Forum - Reefkeeping forum with topics for including reef chat corals and invertebrates and new to reefkeeping.

Reef Freaks - Contains a forum dedicated to saltwater aquaria. Includes a chat room photo gallery and featured reefs.

Reef Frontiers - Features a forum along with libraries on coral invertebrates fish and articles along with photo galleries.

Reef Lounge - Discussion boards covering tank setups corals tips and tricks help equipment aggression and general care. Includes a private vendor marketplace.

Reef Park - A forum for marine fish and coral keeping.

ReefEscape - Offers discussion on facets of reefkeeping such as nanos large tanks SPS clams and fish.

ReefMonkey - Forum including topics for beginners as well as advanced reefkeepers special interests such as nano tanks and reef clubs.

ReefSanctuary Forums - Includes links photo galleries advice and articles.

Reeftalk - Online community including forums a photo gallery and product reviews.

Reeftank.com - Saltwater aquarium setup and maintenance with an emphasis on the corals fish and invertebrates which inhabit a coral reef.

Saltcreep.com - Learn about reef aquarium setup and maintenance and view coral and marine fish photos. Discuss and chat with hobbyists of all levels from beginner to advanced.

The Reef Tank - Information on starting and maintaining saltwater and reef aquariums. Message board chat room product reviews and links.

The Reefers Inn - Community where enthusiasts can join together to exchange quality information and ideas.

UltimateReef.com - Includes discussion boards live chat articles and images relating to the marine reef aquarium hobby.

Your Reef Tank - Informational site for the saltwater reef aquarium hobbyist. Includes forum articles and a photo gallery as well as fish coral and invertebrate profiles.

Zoos R Us - Community where information about the marine and reef aquarium hobby can be exchanged among all levels of hobbyist from beginner to advanced. Focuses on zoanthids but also includes discussion on all other facets of reefkeeping.