Lang Tengah Turtle Watch is a Malaysian turtle conservation organization with projects on Lang Tengah island, Tanjong Jara Resort, and Pulau Perhentian. Their turtle watch programme focuses on ongoing conservation efforts and long-term monitoring to better understand and conserve the nesting and in-water sea turtle populations. In addition to this, they work to preserve the coral reefs which are also habitats for sea turtles, and to educate and raise awareness among local communities, tourism operators and tourists through educational outreach programs as well as engagements in research and conservation efforts.

One of the first groups of environmentalists and antinuclear movements that developed in Italy and throughout the Western world, based on scientific environmentalism to build policies and to advocate change towards local, national and international stakeholders and institutions. It aims to engage communities, stakeholders and people and enable them be the leading actors of change. Amongst their projects involving volunteers is marine litter cleanups. Based in two headquarters in Rome and Milan, with 20 regional coordination offices and more than 600 local groups of volunteers.

JARI is a locally run marine conservation organisation based in Lombok, Indonesia. With a strong focus on marine education programs, their aim is to improve the condition of Indonesia’s threatened marine ecosystems through education, conservation, research, eco-tourism and, most importantly, working together with local communities. Juang Laut Lestari (JARI) literally translates to ‘Endeavouring for Sustainable Seas’,

The Leonardo DiCaprio Foundation (LDF) is 'dedicated to the long-term health and wellbeing of all Earth’s inhabitants'. Oceans is one of four key areas the LDF focuses on, working through collaborative partnerships with organizations such as Oceana and WWF, and thus supports innovative projects and programmes to protect marine life and support communities reliant on the oceans.

Danish organisation Levende Hav works for the preservation of the marine landscape, to guarantee a diversity of marine flora and fauna, and to ensure that future fisheries are based on ecological principles and are sustainable both economically and socially.

The Lewis Pugh Foundation (LPF) works for the preservation and conservation of our oceans. Founder Lewis Pugh is an ocean advocate and a renowned endurance swimmer who, via his remarkable initiatives in challenging conditions, shines a spotlight on the plight of the oceans. He is a UN Patron of the Oceans and currently promoting the creation of marine protected areas around Antarctica. His foundation promotes, for the benefit of the public, the conservation, protection and improvement of the physical and ecological environment, particularly the marine environment. LPF also provides education and disseminates information about the marine environment and the importance of its conservation.

LPN was founded in 1948, the oldest environmental NGO of the Iberian Peninsula. In its more than 73 years of existence, LPN has been distinguished with many international awards and some of the nation's most prestigious honors. Their approach to conservation places a priority on sustainable development, including quality of life of present and future human generations. Some of its major projects include the protection of endangered species such as the Iberian lynx, the cinereous vulture, and the stepparian birds of Alentejo, among others. The conservation of marine life and associated marine ecosystems are also a priority for action. Their Circular Seas project - Mares Circulares – launched in 2018, is a global project which encourages the circular economy, environmental awareness and training for waste management and the promotion of active citizenship at the level of volunteering. It aims to contribute to a change of mentality by promoting the creation of environmentally sustainable solutions to the problem of marine litter, in a society made up of more informed and responsible citizens with an understanding of that circularity.

In support for research, education, and capacity building in coastal and marine conservation, the Lighthouse Foundation promotes science and research, teaching, culture, and the principles of environmentalism and international development in relation to the world's seas and oceans. The Foundation supports projects which aim to solve long-term problems in marine locations with the context of sustainable development, including rising sea levels, fisheries, education about the marine environment and sustainable development.

Live Ocean Foundation partners with exceptional New Zealand marine scientists, innovators and communicators to scale up action for a healthy ocean. Sailors Peter Burling and Blair Tuke established Live Ocean Foundation out of their deep concern for the health of the ocean and the life in it. Through their sport they champion action for the ocean, taking this message to the world stage.

The Khaled bin Sultan LIVING OCEANS Foundation is dedicated to the conservation and restoration of living oceans and pledges to champion their preservation through research, education and a commitment to Science Without Borders

Living Oceans Society focuses its work on six initiatives: salmon farming, ocean acidification, sustainable seafood, ocean ecosystems, tankers and ocean planning

With the ever increasing amount of marine construction around the world encroaching on shorelines and destroying natural habitats, Living Seawalls have come up with an innovative solution: combining engineering with ecological concerns, they have created specially designed tiles which are attached to sea walls to create habitats for marine life to attach to. As of October 2021 they have installations in Australia, Singapore, Gibraltar and Wales. Living Seawalls is a program of the Sydney Institute of Marine Science and collaborates with Reef Design Lab. Finalist in the Revive our Oceans category of the 2021 Earthshot award.