BlueSeeds’ goal is to help marine conservation organizations to meet their financing needs and build a sustainable financial strategy. They focus on marine protected areas. BlueSeeds is a consultancy whose mission is to ensure the financial sustainability of such conservation projects, and maximize their economic, environmental and social impacts. By acting as intermediaries, they connect conservation organizations with the economic world, and develop long term projects.

Blue Ventures works at catalysing and sustaining marine conservation projects led by locals in places where the ocean is vital to local cultures and economies, and are committed to protecting marine biodiversity in ways that benefit coastal people. Based in the UK, they operate in Madagascar, Mozambique, Somalia, Tanzania, Comoros, Kenya, Belize, India, Indonesia, Papua New Guines (PNG), Philippines, Thailand and Timor-Leste. In Madagascar they have created the largest LLMA (Locally Managed Marine Area) in the Indian Ocean. Amongst their many projects, their aquaculture projects include growing seagrass and sea cucumbers. At the same time they offer volunteering opportunities. Blue Ventures is increasingly active in all facets of marine conservation, and highly effective in achieving positive change in local communities.

Blue World was formed with the intention to take over the research and public awareness actions of the Adriatic Dolphin Project (ADP) started in 1987 and managed by the Tethys Research Institute until 2000. Blue World was created in 1999 by ten founders, mostly local but all involved in the ADP during previous years. Presently, Blue World carries out projects including Adriatic Dolphin Project, Losinj Dolphin Reserve, Losinj Marine Education Centre, Research and conservation of marine turtles of the Adriatic in cooperation with the Croatian Natural History Museum. Blue World actively cooperates with a number of organisations and institutions in Croatia and abroad. scientific research and conservation projects and promote environmental awareness in the Losinj-Cres archipelago, Croatia and Adriatic region as a whole.

Blue Voice is an ocean conservation organization founded in 2000 by Hardy Jones and Ted Danson, with the mission to protect dolphins, whales and other marine mammals, and to raise popular awareness about the plight of the oceans. After Harvey Jones died in 2018, the Hardy Jones Rapid Response Fund was created in his memory as a dedicated fund to support front-line activists and campaigners by the speedy disbursement of funds from time to time. Amongst other activities, they document transgressions against marine life on film.

The Buccoo Reef Trust (BRT) was specifically created to assist the government and communities in addressing the threats facing Tobago’s marine environment and to explore opportunities for the sustainable development of marine tourism, fishing and aquaculture in the Southern Caribbean region. BRT has successfully implemented education, research and coastal zone management programmes throughout Tobago, supporting its aim of building capacity in marine sciences that will enable governments, resource managers and stakeholder and the general public to make informed decisions on how best to interact with and use the region’s marine resources.

CEBSE focuses on conservation and sustainable development within the area of the proposed biosphere reserve in Samana Bay, in the Dominican Republic, a programme involving community participation and education, sustainable development, conservation of biodiversity and inter-institutional co-ordination and support.

CMARA aims to improve marine animal rescue, research and outreach on behalf of the Canadian public for the conservation of marine wildlife. CMARA is chaired and coordinated by the Canadian Wildlife Federation (CWF) and is governed by the national steering committee (NSC) which guides the actions and administration of the Alliance. The regional response networks are Newfoundland and Labrador, Maritime provinces, Quebec, and British Columbia.

The COBSEA Secretariat is the lead agency of the United Nations for marine environmental matters in East Asia, responsible for co-ordinating the activities of governments, NGOs, UN and donor agencies, and individuals in caring for the region's marine environment. Nine member countries: Indonesia, Malaysia, Philippines, Singapore and Thailand, Cambodia, People's Republic of China, Republic of Korea and Vietnam

CONANP currently manages 173 natural areas under federal management, including marine protected areas.

CPAWS has been advocating for Marine Protected Areas in Canada for more than 20 years. Their mission for Canada’s ocean is quite simply 'more MPAs, better MPAs and MPAs in the right places'. Individual chapters work with Indigenous and local communities to get MPAs and MPA networks established in Canada’s ocean, and to ensure that they are strongly protected and well-managed.

CRAM Foundation is dedicated to the protection of marine life. Its main activity is the clinic and rescue of endangered marine species, which will later be reintroduced to the wild, such as turtles and dolphins. The Foundation also carries out research into marine species and ecosystems, and educates to raise awareness of the need to conserve the oceans. In addition to the state-of-the-art recovery center, with a technical and human team specially trained to assist marine species, as well as the Vell Marí, one of the few scientific sailboats dedicated to the exploration of the marine environment.

Based in Monterey Bay, California, COA conducts marine research to drive conservation, with the additional aim to educate on marine and conservation issues. In one such project, COA marine biologists travel to Antarctica to conduct cutting-edge research on whale populations and behaviour. By combining research with conservation and education, they are contributing to the understanding and protection of marine mammals worldwide, and ensuring that their populations persevere and thrive into the future.