AquariumDomain.com
- Marine aquarium resource. Includes species profiles, hobbyist guides, forums and images.
- http://www.aquariumdomain.com

Fish 'N' Chips
- Free monthly marine newsletter for saltwater tank hobbyists.
- http://www.marinefiends.com/

Las Vegas Marine and Reef Aquarium Society
- Includes coral fragment trading, links and classifieds.
- http://lvmas.org/

Marine World Magazine
- Marine Fish Publication Bi Monthly Magazine. Marine news, new discoveries plus professional tips and advice for fish keeping enthusiasts. Individual subscriptions available. Magazine stockists plus fishkeeping outlets welcome.
- http://www.marineworldmagazine.com

Saltwater Aquarium Guide
- A simple guide to start and maintain your own saltwater aquarium. Includes step-by-step instructions to set up the aquarium, along with information in aquarium inhabitants such as fish, invertebrates, corals, and macroalgae.
- http://www.saltwater-aquarium-guide.com/

Marine Aquarium Advice
- Resource for saltwater aquarists. Live chat, library, contests, photo gallery, and discussion forums.
- http://www.marineaquariumadvice.com/

Seychelles Marine Conservation Expedition
- Promotes conservation in Seychelles, a series of islands in the Indian Ocean north of Madagascar. Includes information about coral.
- http://dialspace.dial.pipex.com/town/avenue/aba60/

The Krib - Brine Shrimp
- Questions and answers about brine shrimp.
- http://www.thekrib.com/Food/brine-shrimp.html

J. Charles Delbeek's Home Page
- Co-author of "The Reef Aquarium" with Julian Sprung. Includes articles.
- http://www2.hawaii.edu/~delbeek/

Fishdomain.com
- Provides information about fish and invertebrate species. Includes articles and a message board.
- http://www.fishdomain.com/

Advanced Aquarist's Magazine Online
- Contains articles by marine aquaria experts regarding topics such as mangroves, corals, lighting and chemistry.
- http://www.advancedaquarist.com/

Saltwater Aquariums
- Information on starting and maintaining saltwater tanks.
- http://saltwater.8m.com/

Thesea.org
- Educational resource specializing in propagation, fish and invertebrates identification, captive corals, D-I-Y projects, digital world reef maps, calculators, disease section, photo galleries and forum.
- http://www.thesea.org/

Saltcorner
- Aquarium author Bob Goemans' website. Features articles, advice faqs, product reviews, book reviews, aquarium photos, and an extensive animal library.
- http://www.saltcorner.com/

International Marine Aquarium Conference (IMAC)
- A marine aquarium conference consisting of speakers, exhibits and a banquet, to be held on 27,28 and 29 May 2006.
- http://www.theimac.org/

Aquarium Design
- Information for setting up and maintaining a saltwater aquarium.
- http://www.aquarium-design.com/

Fishline
- Offers forums, images, D-I-Y projects. Also includes information on additives, food and lighting.
- http://w3page.com/fishline/

Directory of Australian Marine Aquarists
- Offers list of marine aquarist's information sorted by territory in Australia.
- http://www.ag.ohio-state.edu/~nathan/ama.html

About.com - Saltwater Aquariums
- Includes discussion board, photos of marine animals and basic information on cycling a tank.
- http://saltaquarium.about.com/index.htm