Planetary Coral Reef Foundation (PCRF)
- A non-profit organization dedicated to mapping, studying, and saving the ocean's coral reefs.
- http://www.pcrf.org

Action Atlas: Coral Reefs
- The plight of the planet's coral reefs-and how to help.
- http://www.motherjones.com/news/special_reports/coral_reef/

Reef Systems
- Company that produces artificial reefs.
- http://www.seacult.com/

Coral Realm
- Discover coral reefs with this interactive multimedia presentation. Includes a comprehensive database.
- http://www.thinkquest.org/library/site_sum.html?tname=25713&url=25713/

TheSea.org
- Education resource.
- http://www.thesea.org/

Global Coral Health and Monitoring Program
- About US government research to assess how, where, and why damage is occurring to coral reefs and to determine the best methods for prevention.
- http://www.coral.noaa.gov/

Shoals Rodrigues
- Research and training of local people about the seas and coral reefs around the Mauritius island of Rodrigues. Details of programs, facilities, habitats.
- http://www.shoals-rodrigues.org/

Reef Check
- Trains volunteers to carry out reef check surveys -- online papers and manuals, details of sites and results.
- http://www.reefcheck.org/

ReefGuardian International
- Non-profit organization protecting coral reef essential fish habitat from beach renourishments, dredging and ship groundings, and overfishing. Information about issues, primarily in U.S. and Caribbean waters.
- http://www.reefguardian.org

Ocean Science Foundation
- Facilitates research on endangered tropical marine ecosystems and coral reef ecology.
- http://oceansciencefoundation.org/

Environmental Intelligence
- This site has examples of mapping Hawaiian coral reefs and mangrove using hyperspectral imaging.
- http://www.ultraspectral.com

Reef Education Network
- Learn about coral reefs like the Great Barrier Reef and the many creatures that live in, on and around them.
- http://www.reef.edu.au

Hawai'i Coral Reef Network
- The mission of the Hawai'i Coral Reef Network is to foster education and research on coral reefs by facilitating communication among the environmental, scientific, governmental, and public communities and to
- http://www.coralreefnetwork.com/

Coral Reef Fish
- Benjamin Victor's research on tropical coral reef fish, including photographic guide to late-stage larvae of Caribbean reef fishes. Also provides his publications and a database of collections by species.
- http://www.coralreeffish.com/

Palmyra Atoll: Rainforest of the Sea
- Online photographic expedition to a pristine coral atoll ecosystem 1000 miles south of Hawaii, focusing on coral reefs and wildlife. English and Japanese.
- http://www.oneworldjourneys.com/palmyra/index.html

Venture into Hawaii's Coral Reefs
- Pictures and information about Hawaii's coral reefs and stresses the interdependence of reef organisms on each other.
- http://library.thinkquest.org/J002237/

Reef Environment Education Foundation (REEF)
- Volunteer research program by recreational divers who take surveys of the world's coral reefs. About the project and its findings.
- http://www.reef.org

CRC Reef Research Center (Australia)
- Supports reef research and outreach programs, with an emphasis on science-based development of reef-friendly industry, government regulations and planning. Focus is on Great Barrier Reef.
- http://www.reef.crc.org.au/

Belize Coastal Zone Management Authority and Institute
- This Coastal Zone Management Authority and Institute (CZMAI) website is intended to advise, educate and promote action on your part to become involved in the management of Belize's wealth of coastal resources.
- http://www.coastalzonebelize.org

ReefKeeper International
- Non-profit membership organization dedicated to the protection of coral reefs and their marine life. Targets 6 Issue Areas: Offshore Oil, Marine Pollution, Reef Fisheries, Physical Impacts, Coastal Zone Management, and Marine Protected Areas. ReefKeepe
- http://www.reefkeeper.org

Reef Relief
- Focuses on rigorous science to educate the public and lobby policymakers to achieve Conservation, Protection, and Restoration of coral reef ecosystems.
- http://www.reefrelief.org

Coral Reef Alliance (CORAL)
- Non-profit organization working to keep coral reefs alive.
- http://www.coral.org/

Coral Magazine
- A quarterly video magazine of coral reefs. Includes ecology, descriptions, identification, free photos, filming techniques, and even a short quiz. Coral and shells are featured.
- http://www.corals.org

CoralRealm Marine Life Databases
- Coral Realm is all about coral reef marine life. Site features a database of more than 1000 reef fish, sharks and rays searchable by common, science or family name. Travel logs and dive travel planning are also part of Coral Realm.
- http://www.coralrealm.com

Gray's Reef National Marine Sanctuary
- Savannah, Georgia, USA. This page describes Gray's Reef research, educational programs, and current activities at the Sanctuary.
- http://www.graysreef.nos.noaa.gov/

Cybereef
- Takes you on a virtual diving adventure to some of the most beautiful reefs in the world. Featuring the marine images of Jean and Phil Slosberg, the spotlight is turned upon the small and unusual citizens of the reef. Enjoy macro photography of interestin
- http://www.cybereef.com/index.html

NOAA Coral Health and Monitoring Program (CHANP)
- Services to help improve and sustain coral reef health throughout the world. Part of an international network of coral reef researchers.
- http://coral.aoml.noaa.gov/