Shoals Rodrigues is a local Mauritius NGO supporting marine scientific research, education, community outreach, biodiversity conservation and sustainable development on Rodrigues island, which is part of the Republic of Mauritius. Many Rodriguans depend on the sea, and the sustainable use of the island's natural resources is a key motivator for this marine conservation organization. Feb 2023: the website www.shoalsrodrigues.com has expired, Facebook appears to be maintained, Twitter dated.

The Sierra Club is a significant American environmental group with a marine campaign; 'the most enduring and influential grassroots environmental organization in the United States. We amplify the power of our 3.5+ million members and supporters to defend everyone's right to a healthy world.' Their Marine Team is a Grassroots Network National Issue Team, authorized to act on behalf of the Sierra Club on issues that typically involve federal legislation, rules, or proposed actions by federal agencies affecting more than one Chapter. The Team has the following four campaign areas, each of which has its own Grassroots Network Team under the direction of the Marine Team Core Team: Marine Wildlife and Habitat, Marine Protected Areas, Marine and Coastal Ecosystems Conservation, Fisheries Management

Within Singapore’s National Parks agency, ‘the Coastal and Marine Branch under the National Biodiversity Centre (NBC) works towards Singapore’s adoption of a proactive, balanced and forward-looking approach to coastal and marine environment-related policy, management, and research-direction issues, consistent with Singapore’s long-term economic and sustainable development goals.’ Specifically mentioned are the local coral reefs, the intertidal zone, and the mangroves in the area.

Smile Wave Fund is 'a philanthropic organisation aimed at supporting projects related to social integration and environmental protection'. The oceans are their main priority, 'as they cover two-thirds of our planet, and generate half the oxygen we breathe'. In their funding they focus on 'direct-action organisations which, above all else, are concerned with threats to the balance of biodiversity, analysing the causes and proposing realistic alternatives.' Amongst the projects supported are: Sea Shepherd, Aeolian Islands Preservation Foundation, Surfers not Street Children (in Southern Africa)

The Smithsonian Tropical Research Institute in Panama aims to increase understanding of the past, present and future of tropical biodiversity and its relevance to human welfare. More than 1,400 scientists from around the world every year collaborate on hundreds of projects at remote field sites and in their laboratories in Panama City. In addition to the research, they have a strong outreach programmes at several sites in Panama, educating visitors on marine and coastal ecosystems, marine life, mangroves, and fisheries and marine conservation, amongst others. In terms of resources, they maintain several databases on their website which record the biodiversity of the area.

The Song Saa Foundation 'initiates and promotes projects that improve the wellbeing of the communities and natural environments of the Koh Rong Archipelago and beyond.' In 2006, they bought the tiny Cambodian island of Koh Ouen and later, the neighbouring island of Koh Bong, and launched the Song Saa Marine Reserve, Cambodia’s first ever government recognised private marine reserve. The foundation is ‘committed to the protection of ocean habitats and the preservation of marine life – from fish and invertebrates to coastal birds – in the Koh Rong Archipelago and all along Cambodia's coastline. Our projects include the support of community fisheries, a coral nursery and a tropical marine conservation programme. We also have programmes in place for the conservation of sea turtles, mangroves and Cambodia’s rare sea grass meadows.’ They run an Ocean Stewardship Program for divers interested in becoming involved in their conservation initiatives.

Oceans & Coasts (OC) deals with the promotion, management and strategic leadership on oceans and coastal conservation in South Africa.

The South African Association for Marine Biological Research stimulates community awareness of the marine environment through education and promotes wise, sustainable use of marine resources through scientific investigation. SAAMBR fulfils this mission by operating the following three divisions: The Oceanographic Research Institute (ORI), uShaka Sea World, and uShaka Sea World Education Centre

SANParks manages a system of parks which represents the indigenous fauna, flora, landscapes and associated cultural heritage of the country, including many Marine Protected Areas. In South Africa, all MPA’s are ultimately managed by the South African Government who have agreements with various MPA Management Authorities like South African National Parks (SANParks), amongst others.

The South African National Stranding Network consists of several local networks made up of national, provincial and local government departments, NGO's, vets and private individuals who respond to marine animal strandings.

Based in Kalpitiya in Northwest Sri Lanka, SLWCS's Marine Project addresses the conservation issues affecting Sri Lanka’s marine wildlife and is also providing opportunities for ecotourism and alternative livelihoods to promote sustainable development in the area. Their aim is to collect information about the current state of the area, including sea turtle, shark, dugong and pink dolphin conservation via nesting surveys, monitoring programmes, in-situ hatching projects, as well as educational workshops, beach clean-ups, mangrove planting, and waste management schemes. They also have an office in Nutley, New Jersey in the USA.

Submon aims to conserve marine biodiversity and to achieve the sustainable use of the marine environment by promoting a change in the relationship between society and the sea, through on-site actions and using and transmitting knowledge. The organization develops its own projects, mainly directed towards the conservation, the study and awareness of the marine environment, and always with a clear social and sustainable development character.This includes is a strong programme for schools and on ocean literacy. Their many and extensive projects include research and protection of whales, dolphins, sea turtles, molluscs, seagrass meadows, amongst others. An influential body, their expertise is widely sought after internationally.