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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1 fixed deadline, 12 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

Rolling / Open Deadlines

periodic
Creative Destruction Lab (CDL) - Oceans Stream · Creative Destruction Lab (CDL-Atlantic) · Annual, applications open rolling with cohort starting September. Apply via creativedestructionlab.com/application-triage/
For Startups Foundation Accelerator Technical Assistance Global Aquaculture Blue Economy Fisheries
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
periodic
Blue Action Fund Grant Programme · Blue Action Fund · Periodic, per Call for Proposals (currently no open or upcoming calls)
For NGOs Foundation Grant Africa Global Southeast Asia Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
World Bank PROBLUE Ocean Trust Fund · World Bank (PROBLUE — Multi-Donor Trust Fund) · Rolling basis
Multilateral Blended Finance Grant Technical Assistance Global Aquaculture Blue Economy Capacity Building Climate Coastal Protection Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution
Rolling
Mangroves for the Future (MFF) Initiative · Mangroves for the Future (MFF) / IUCN / UNDP · Rolling basis
For Communities / Cooperatives For NGOs Multilateral Grant India Southeast Asia Biodiversity Capacity Building Coastal Protection Fisheries Marine Conservation Marine Protected Areas
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
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
Schmidt Marine Technology Partners (Schmidt Family Foundation) · Schmidt Marine Technology Partners (a program of the Schmidt Family Foundation) · Rolling basis
For NGOs For Researchers For Startups Foundation Grant Global Blue Economy Fisheries Marine Conservation Pollution Research
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
Schmidt Marine Technology Partners Grantmaking · Schmidt Marine Technology Partners (a programme of the Schmidt Family Foundation) · Rolling basis — proposals can be submitted via the online portal at any time.
For NGOs For Startups Foundation Grant Global Blue Economy Fisheries Marine Conservation Plastic Waste Research
periodic
Shark Conservation Fund · Shark Conservation Fund (SCF) · Unknown
For NGOs For Researchers Philanthropic Network Grant Global Biodiversity Fisheries Marine Conservation Marine Protected Areas Research