- Acoustics Monitoring Program - Bioacoustics - A study to assess the potential of long range acoustic monitoring of marine mammals.
- Alliance of Marine Mammal Parks and Aquariums - Provides an educational resource for marine mammals and their environments.
- Biology Learning Center - Resources on coral reefs, marine ecology, oceanography, dolphin biology, conservation, biodiversity and research expeditions.
- Foundation for Marine Environment Research Centre for Coastal Field Studies - Conducts research into the ecology and habitat conditions of cetaceans.
- Global Research and Rescue - Non-profit animal organization that assists marine mammals, whales, dolphins and terrestrial animals.
- Indonesia Oceanic Cetacean Program - Includes visual and acoustic surveys, identifications of sensitive marine areas and ocean conservation initiatives.
- Jaap's Marine Mammal Pages - Classification, common names, biology, images, full text research, publications and news related to cetaceans and pinnipeds.
- Jennifer Dearolf's Home Page - Includes information about research on muscle development in Atlantic bottlenose dolphins and Florida manatees.
- Lab of Sara J. Iverson - Research on the physiology and ecology of marine mammals. Includes list of publications and field work image gallery.
- Marine Mammal Group - Anglo-French e-mail group for the exchange of data and images of marine mammals in the English Channel and adjacent areas.
- Marine Mammal Net - Informational source on the science and conservation of marine mammals that offers photograph galleries and links.
- Mediterranean Cetaceans - Dedicated to research on the free ranging species. Features information, pictures, publications and projects.
- Prince of the Oceans - Didactic and interactive website dedicated to dolphins that includes extensive species information and images.
- Tethys Research Institute - Non-profit organization dedicated to the preservation of the marine environment. Offers field course data, publications and images.
- Turkey Monk Seal Research Project - Includes data about the conducted research results, photographs and public awareness links. Based in Mersin.
- Whales and Dolphins - Website showcases information and photographs concerning marine mammals with an emphasis on whales and dolphins.
- Cetaceans@ (232)
- Pinnipeds@ (18)
- Sirenians@ (23)