Island Conservation’s mission is to prevent extinctions by removing invasive species from islands. Restoration of terrestrial ecosystems has cascading benefits for marine environments, making it possible to build more resilient oceans, especially within the boundaries of Marine Protected Areas. Island Conservation support the work of conservation organizations worldwide including those working on marine biodiversity and fisheries conservation. Active in the Caribbean, Asia, North American and South America, including Chile and the Galapagos,

KIMO is a network of local governments, working together for healthy seas, clean beaches, and thriving coastal communities, with the aim of preventing pollution, and to protect and preserve the seas and coastal waters of the North East Atlantic and Baltic regions. They are actively involved in many practical issues, including lobbying on issues such as the standards in offshore energy projects, maritime standards and dumping at sea; they educate manufacturers and the public on pollution such as microplastics; they initiate projects such as Fishing for Litter, amongst others. KIMO stands for Kommunernes International Miljøorganisation (Local Authorities International Environmental Organisation) and was founded in Denmark in 1990. With over 80 member municipalities in eight countries, it now represents ‘more than six million citizens in Europe’.

KYMA's stated function is to 'unite innovative people from various disciplines such as science, media, ethics and communications who work together to protect the ecology of the oceans. KYMA also acts as a think tank to advance the huge challenge of protecting the oceans in the 21st century with creative and concrete means. These include projects and informing the public.' Amongst other activities, they organize expeditions, educate via workshops and talks, support practical projects such as the seagrass meadows in Greece. The work of NWRES in researching the critically endangered Mediterranean monk seals in eastern Libya is also supported by KYMA.

The KZN marine stranding network is a group of skilled and trained professionals who provide knowledge, experience and resources to assist with marine strandings along the KwaZulu-Natal coast. They include uShaka Sea World and KZN Sharks Board for dolphins, whales, sharks, seals, turtles and penguins, and CROW (Centre for the Rehabilitation of Wildlife) and SCAR for seabirds)

KEA is dedicated to providing comprehensive environmental education to East African communities. KEA was formed in response to the continued devastation of the marine/coastal regions of East Africa resulting from pollution, destructive fishing practices, and over-exploitation of natural resources exacerbated by a virtual lack of environmental awareness. These combined threats have resulted in a severe decline in many marine species and an unprecedented degradation of critically important habitats, such as mangroves and coral reefs. The destruction of entire ecosystems has, in turn, undermined the well being of the local people.

The Kenya Wildlife Service is a Kenyan state corporation that was established in 1989 to conserve and manage Kenya’s wildlife. With the mandate to conserve and manage wildlife in Kenya and to enforce related laws and regulations, it is responsible for several marine parks, including Watamu, Kasiti Mpunguti, Mombasa, Kiunga and Malindi.

KFEM is an extensive environmental organization with tens of thousands of members and many 47 local branches which focus on various environmental issues including energy and waste, ozone depletion, deforestation, biodiversity and climate change. Its Oceans Committee actively campaigns to stop the dumping of untreated waste water into the ocean. In addition, KFEM works to protect endangered species such as whales and dolphins through marine protected areas, targets illegal fishing and bycatch levels by surveillance. The organization also campaigns to halt the destructive extraction of beach sand for the use of construction projects as well as to stop reckless coastal area development.

Kuddle Life Foundation is a marine conservation NGO from Pondicherry, India. A group of marine biologists, scuba divers, environmentalists and nature lovers who are passionate about the oceans, their aim is to help the marine environment and dependent life-forms prosper and sustainably live in harmony, and to create awareness about oceans and the challenges faced by their inhabitants and dependents. This they do through creating artificial reefs, staging pollution cleanup events, marine fish and mammal rescue, and education and outreach programmes.

After setting up the first Locally Managed Marine Area to combat overfishing and pollution, the ecosystem has made a resounding comeback, with biodiversity surging. KCWA have fostered a tourism sector, boosted catches for fishermen and women in nearby areas, and encouraged the national government to greatly expand the protected area. Their stated aim 'is to manage sustainable marine resources for the local fishing community and environment as a whole, as well as to set 'best practise' for the expansion of marine conservation projects along the Kenya coast.'

Previously the Cousteau Foundation founded in 1981 by Jacques-Yves Cousteau, the name was changed to Equipe Cousteau in 1992. Sharing the mission and resources of the US-based Society based in the United States, the L'Equipe Cousteau (Cousteau Team) has expanded and strengthened the mission of the Cousteau worldview internationally. Headquartered in Paris, L'Equipe Cousteau is a non-profit environmental organization, with the aim of protecting the environment, with informing and education being a major component of their work.

LAST Association (formerly WIDECAST-Costa Rica) is a Costa Rican group with 11 members and a directive board of 5, working together to make a change in sea turtle conservation. They are member of WIDECAST, an international scientific network with country coordinators resident in more than 40 countries and territories of the Wider Caribbean Region. With 30 years experience working with Costa Rican sea turtles, the LAST staff are experts in turtle population management, community based conservation, coastal management and volunteer assisted research. They have several projects: The Caribbean coast conservation and research program in located in Cahuita, Moin and Pacuare beaches, focuses on the nesting of leatherback, green and hawksbill turtles, while the South Pacific project is located in Osa Peninsular, focused on mangrove forests and sea grass beds, and the study of the rare Eastern Pacific hawksbill turtles. They are engaged in an ecotourism initiative, where volunteering conservation offers an alternative income to locals, reducing pressure on the turtles. They also monitor the coral reefs, train park rangers, educate local student, and also act as advisers to the government on marine environments. can programme which encourages alternative

The Lamu Conservation Trust works to conserve the indigenous Cultures, Wildlife and Marine ecologies of the Greater Lamu Eco-region. To counter the threats to the marine ecology of the Lamu district, they are establishing a representative network to promote and implement solutions to protect the marine ecosystem and use marine resources sustainably, whilst working to conserve valuable coral reefs, sea grass and extensive mangrove forests which provide refuge for many aquatic species and migratory seabirds