Upcoming Deadlines

Range 30 days 3 months 6 months 12 months
Source EU Federal (DE) Schleswig-Holstein Mecklenburg-Vorpommern Lower Saxony Foundation Private US Foundation UK Nordic UN / Multilateral Corporate Impact Investor Philanthropic Network International
Relevance ≥70% ≥50% ≥30%
Topic Aquaculture Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Coral Reefs Education Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Recycling & Upcycling Research Seaweed & Algae Waste Management
Mechanism Accelerator Blended Finance Grant Investment Loan / Concessional Finance Prize Technical Assistance
Region Africa Arctic Baltic Sea Global India Mediterranean Nordic / Denmark North Sea Southeast Asia
Audience For Communities / Cooperatives For NGOs For Researchers For Startups
Funder-type Corporate Family Office Foundation Government Impact Investor Multilateral Philanthropic Network Research Council
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2 fixed deadlines, 5 rolling/open

March 2026

31.03. 11d left
Save Our Seas Foundation - Keystone Grants · Save Our Seas Foundation (SOSF) · USD 10,000–100,000 per year; average USD 25,000 per annum. Biennial cycle, up to 3 years total duration with annual continuation applications possible.
For NGOs For Researchers Foundation Grant Global Biodiversity Education Marine Conservation Research

April 2026

12.04. 23d left
National Geographic Society Grants - Ocean Exploration & Discovery · National Geographic Society · Level I grants up to USD $20,000; Level II grants up to $100,000
Foundation Grant Global Education Marine Conservation Plastic Waste Research

Rolling / Open Deadlines

Rolling
Vancouver Aquarium Ocean.org - Ocean Action Grants · Ocean Wise (ocean.org) / Canada Service Corps · December 4, 2026 (final report deadline; applications accepted on rolling basis)
For Communities / Cooperatives Foundation Grant Capacity Building Education Marine Conservation Plastic Waste
periodic
Save Our Seas Foundation - Funding Guidelines · Save Our Seas Foundation (SOSF) · Keystone Grants Stage I opens March-April 2026; Small Grants Stage I opens May 2026; applications are currently closed
For Researchers Foundation Grant Global Biodiversity Education Marine Conservation Research
periodic
KfW Development Bank Marine Litter Reduction Initiative · KfW Development Bank (on behalf of the German Federal Government), channelled through Caribbean Biodiversity Fund (CBF) · Programme runs until 2028; individual sub-grant deadlines managed by Caribbean Biodiversity Fund
For NGOs Government Multilateral Grant Global Biodiversity Blue Economy Capacity Building Circular Economy Education Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
Rolling
Lloyds Register Foundation - Ocean Safety Grants · Lloyd's Register Foundation · Rolling basis
For NGOs For Researchers Foundation Grant Africa Global India Southeast Asia Blue Economy Capacity Building Climate Education Fisheries Marine Conservation Research
Rolling
The Ocean Foundation Grantmaking · The Ocean Foundation · Rolling basis — Letters of Inquiry reviewed quarterly; open RFPs posted when available
For NGOs Foundation Grant Global Biodiversity Capacity Building Coastal Protection Education Marine Conservation Marine Protected Areas