Love the Oceans is a UK-registered award-winning organization which supports work in Jangamo Bay, Mozambique. Jangamo, home to a huge host of marine life, has never been studied in depth for any prolonged amount of time. Love The Oceans supports the community to protect and study the diverse marine life found here, including many species of sharks, rays and the famous humpback whales, thus combining research, education and diving, and a strong volunteer programme, to educate and achieve a sustainable future. Their ultimate goal is to support the community in establishing a Marine Protected Area for the Inhambane Province in Mozambique, achieving higher biodiversity whilst protecting endangered species. 

Luminocean connects scuba divers, volunteers, gap years, and those fascinated by the ocean, with local people to support marine conservation efforts. They offer consulting services to dive centers that would like to become more environmentally responsible and to schools and universities to integrate a curriculum that emphasizes raising awareness for the marine environment. Luminocean is the branding for the combined work of the social enterprise PT Marina Citra Selaras and the foundation Yayasan Cahaya Samudera Indonesia, both registered in Indonesia. Their joint cause is to build human capacity to protect Indonesia's valuable marine resources and with this contribute to the future of our blue planet

Manta Matcher is a global online database for manta rays. It is one of the Wildbook Web applications developed by Wild Me, created in partnership with Dr. Andrea Marshall of the Marine Megafauna Foundation. Manta rays have unique spot patterning on their undersides, which allows for individual identification. Scuba divers upload their manta identification photographs to the Manta Matcher website, supporting global research and conservation efforts. Manta Matcher is a pattern-matching software. This citizen science tool is free to use by researchers worldwide.

Marine Conservation Costa Rica is dedicated to ocean conservation through action and education. Their projects include Coral Restoration, Reef Health Surveying and Marine Education. They offer two day marine conservation courses through to month long internships where the participants learn and have hands on experience in all aspects of running a coral restoration project.

MCP is dedicated to preserving and protecting coastal resources in the Philippines through education, volunteerism and research. They work to preserve fragile marine habitats like coral reefs and mangrove forests, with an additional aim of improving the quality of life for marginalised fisherfolk in the central Philippines. A volunteer based organisation, international volunteers can join a large professional team of marine biologists, scientists, teachers and dive instructors. Participation in the program involves extensive scuba diving activities, with training offered on site. ‘Since becoming operational in 2015, MCP has led mangrove replantation efforts, and have removed tons of marine debris and ghost nets. Volunteer divers have placed sinkers and buoys in many marine protected areas, improving demarcation and local conservation efforts, whilst volunteers have taught numerous school classes in the municipality about marine issues.’ Their YouTube channel is https://www.youtube.com/c/MarineConservationPhilippines Amongst several others, check out their video about conservation volunteering at https://www.youtube.com/watch?v=qA6hggVddfs

Based in Ojochal, Costa Rica, the MCEC is a Marine Conservation and Education Center founded by the non-profit organization Innoceana. Their mission is ‘to rewild the ocean with innovation and education’. The center offers marine focused marine conservation expeditions for divers, by helping the MCEC team carry out hands-on research and conservation projects, all while enjoying and exploring the marine hotspots of the Osa Peninsula. Single-day experiences, multi-day expeditions, internship opportunities, dive training, and more, including beach clean-ups.

The MECO Project is a Mediterranean collaboration between scientists and the public, including divers, fishermen and the general public, to research, learn, and conserve and improve protection for the sharks and rays of the Mediterranean Sea. MECO (Mediterranean Elasmobranch Citizen Observations) is essentially a network in which information is shared, engaging a wide audience and involving researchers from all over the Mediterranean. (Not to be confused with a marine insurance company amongst many other companies bearing the same word Meco in their title). Contact via Facebook.

Neptune's Army of Rubbish Cleaners are volunteer divers who collect marine waste via cleanup dives in the UK. They work at raising awareness of the impact of marine debris, and on finding collaborative solutions to the problem of pollution in the oceans. With over 2000 cleanup dives, they are an award-winning conservation group.

The New Heaven Reef Conservation Program is 'responsible for much of the marine protection or related activities and on-going maintenance around the island of Koh Tao, working closely with the local community and government groups such as the Department of Marine and Coastal Resources and the Department of Fisheries. Students in [their] program assist on a wide range of ongoing projects, allowing them to immediately apply and practice the skills learned.'

Operating from ship and shore, ODA's all-volunteer boat and dive crews remove derelict fishing nets, traps, lines, plastic, and other man-made debris threatening ocean wildlife and habitats. ODA has two main geographical areas of operation. We have boats, divers, and onshore volunteers stationed in Southern California and the Hawaiian islands.

The subtitle of Ocean Quest Global is 'Dive with Purpose'. This organization works in seven countries around the global, specifically on coral reef restoration. After years of research, they have created its own techniques, methodology and material for coral reef rehabilitation, which are based on the idea that coral can be restored on a large scale, in an all-natural and non-invasive way. Through its programs and courses dedicated to securing a sustainable future for coral reefs, the organization focuses on giving back to local communities and protecting the marine environment. They also offer their courses through Sea Shepherd partner dive centers. They are actively involved in the rehabilitation of Maya Bay on Ko Phi Phi Leh Island, Thailand. This project is being carried out in collaboration with the Marine National Parks Operation Centre, and the Department of National Parks, Wildlife and Plant Conservation.

PADI's foundation has evolved from Project Aware to PADI AWARE Foundation as of April 2021. It was established to help conserve underwater environments through a wide variety of activities including education, advocacy, and action, and covers coral reef restoration, protection of sharks and rays, marine debris, marine protected areas, amongst others.