Resource: Professional Societies
- Oceana
- Oceanic Preservation Society
- Oceans Initiative
- Oceanswell
- Only One
- Open Communications for the Ocean
- Pacific Marine Mammal Center
- Pacific Whale Foundation
- PADI Aware Foundation
- Parley For The Oceans
- Plastic Oceans
- Plastic Pollution Coalition
- Plastic Soup Foundation
- Point Blue Conservation Science
- Point Blue Conservation Science
- Polar Bears International
- Project Seahorse
- Reef Check Foundation
- Reef Relief
- Reef Relief
- ReefBase
- Restore America's Estuaries
- Ric O'Barry's Dolphin Project
- Sailors for the Sea
- San Diego Coastkeeper
- Sanibel-Captiva Conservation Foundation
- Sarasota Dolphin Research Program
- Save the Manatee
- Sea Life Trust
- Sea Shepherd Conservation Society
- Sea Turtle Conservancy
- Seacology
- SeaLegacy
- SeaSave
- SeaTrees by Sustainable Surf
- Seaturtle.org
- Secore International
- Shark Foundation
- Shark Research Institute
- Shark Stewards
- Shark Trust
- Society for Conservation Biology
- Stanford Center for Ocean Resources
- Student Conservation Association
- Surfers Against Sewage
- Surfrider Foundation
- Ten 4 Ocean
- The Climate Initiative
- The Intergovernmental Panel on Climate Change
- The International Pole and Line Foundation