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, 10 rolling/open

March 2026

31.03. 11d left
Caribbean BluEFin Project (CBF) · Caribbean Biodiversity Fund (CBF) — Caribbean BluEFin Project · USD 200,000–250,000 per project; co-financing in cash and/or in-kind is highly encouraged
For NGOs Foundation Grant Aquaculture Biodiversity Blue Economy Circular Economy Coral Reefs Fisheries Marine Conservation

May 2026

04.05. 45d
Nos programmes - Fondation de la Mer · Fondation de la Mer (Foundation of the Sea) · Doctoral scholarships: EUR 5,000 annually; SOS Corail project grants: amounts vary; no published general grant programme with specific amounts for external NGOs
For NGOs For Researchers Foundation Grant Prize Global Biodiversity Coastal Protection Coral Reefs Education Marine Conservation Plastic Waste Pollution Recycling & Upcycling Research

Rolling / Open Deadlines

Rolling
Ethics Charter - Fondation Prince Albert II de Monaco · Fondation Prince Albert II de Monaco (PA2F) · 2025 call closed; next call expected annually (check website)
For NGOs Foundation Grant Africa Global Mediterranean Biodiversity Climate Coral Reefs Marine Conservation Marine Protected Areas Research
Rolling
Fondation Prince Albert II de Monaco · Fondation Prince Albert II de Monaco · 2025 call closed; next call expected annually (typically opens mid-year)
For NGOs For Researchers Foundation Grant Global Mediterranean Biodiversity Blue Economy Climate Coastal Protection Coral Reefs Marine Conservation Marine Protected Areas
Rolling
Prince Albert II of Monaco Foundation Grant Program - fundsforNGOs · Prince Albert II of Monaco Foundation · 2025 call is closed. Results communicated by March 31, 2026. Next call expected in 2026.
For NGOs For Researchers Foundation Grant Africa Arctic Global Mediterranean Southeast Asia Biodiversity Blue Economy Climate Coral Reefs Marine Conservation Marine Protected Areas
periodic
Pew Fellows Program in Marine Conservation · The Pew Charitable Trusts · Annual, typically announced in March
For Researchers Foundation Grant Global Biodiversity Coral Reefs Fisheries Marine Conservation Marine Protected Areas Research
periodic
Mesoamerican Reef Fund (MAR Fund) · MAR Fund (Mesoamerican Reef Fund) · Annual, typically mid-year (18th RFP deadline was September 9, 2025)
For NGOs For Researchers Foundation Grant Biodiversity Coral Reefs Fisheries Marine Conservation Marine Protected Areas
Rolling
[PDF] INITIATIVES & PROJECTS - Fondation Prince Albert II de Monaco · Prince Albert II of Monaco Foundation (Fondation Prince Albert II de Monaco) · Rolling / annual calls per initiative (e.g., DIMFE annual call; Polar Initiative call launched June 2024; Pelagos Initiative call 2024). No single universal deadline.
For NGOs For Researchers For Startups Foundation Blended Finance Grant Prize Technical Assistance Africa Arctic Global Mediterranean Southeast Asia Biodiversity Blue Economy Climate Coastal Protection Coral Reefs Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Research
Rolling
MAR+Invest (MAR Fund) · MAR Fund / Global Fund for Coral Reefs (GFCR) · Rolling basis
Foundation Multilateral Blended Finance Climate Coastal Protection Coral Reefs Marine Conservation Marine Protected Areas
Rolling
New England Aquarium - Marine Conservation Action Fund (MCAF) · New England Aquarium - Marine Conservation Action Fund (MCAF) · Rolling basis
For NGOs For Researchers Foundation Grant Global Biodiversity Capacity Building Coral Reefs Fisheries Marine Conservation Marine Protected Areas
Rolling
SPREP-AFD Pacific Ocean Initiative · Agence Française de Développement (AFD) via SPREP and Pacific Community (SPC) · Rolling basis (5-year programme, 2025-2030)
For NGOs Multilateral Grant Global Southeast Asia Biodiversity Capacity Building Climate Coral Reefs Fisheries Marine Conservation Marine Protected Areas
Rolling
Fondation de la Mer: Page d'accueil · Rolling — Fondation de la Mer accepts project partnership proposals on a rolling basis via online form
For NGOs For Researchers Foundation Grant Technical Assistance Biodiversity Coastal Protection Coral Reefs Education Marine Conservation Plastic Waste Pollution Research