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
Reset all

2 fixed deadlines, 11 rolling/open

September 2026

23.09. 187d
EU Digital Twins of the Ocean (DTO) - Horizon Europe · European Commission / Horizon Europe (Mission: Restore Our Ocean and Waters) · EUR 120 million earmarked for 2026-2027 across the Mission Ocean & Waters call. Specific topic HORIZON-MISS-2026-03-OCEAN-05 budget not stated per topic — refer to the Funding & Tenders Portal for budget breakdown.
For Researchers Multilateral Grant Arctic Baltic Sea Mediterranean North Sea Biodiversity Blue Economy Climate Coastal Protection Marine Conservation Research
30.09. 194d
NOAA Office for Coastal Management Funding · NOAA Office for Coastal Management (U.S. National Oceanic and Atmospheric Administration) · Varies by programme. The FY2025-FY2026 NOAA Broad Agency Announcement is open with funding contingent on appropriations. Individual NOFOs list specific award amounts.
For NGOs For Researchers Government Grant Biodiversity Climate Coastal Protection Coral Reefs Marine Conservation

Rolling / Open Deadlines

periodic
Whitley Fund for Nature (Whitley Awards) · Whitley Fund for Nature (WFN) · Annual. 2026 applications now closed. Typically opens mid-year for following year awards ceremony in May.
For NGOs Foundation Grant Prize Global Biodiversity Coastal Protection 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
periodic
Baltic Sea Neighbourhood Programme (BSNP) - Swedish Institute · Swedish Institute (Svenska institutet) · Programme currently closed; new consolidated programme launching March 2026
For NGOs For Researchers Government Grant Baltic Sea Nordic / Denmark Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Pollution Research Waste Management
Rolling
Global EbA Fund - Ecosystem-based Adaptation for Climate Resilience · Global EbA Fund (Implemented by IUCN and UNEP; funded by German Federal Ministry BMUKN via IKI) · Rolling basis
For NGOs Multilateral Grant Global Biodiversity Capacity Building Climate Coastal Protection Marine Conservation
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
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
Adaptation Fund - SIDS Marine Projects · Adaptation Fund · Rolling basis
Multilateral Grant Technical Assistance Africa Global Southeast Asia Biodiversity Capacity Building Climate Coastal Protection Marine Conservation
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
CCRIF - Caribbean Catastrophe Risk Insurance Facility · CCRIF SPC (Caribbean Catastrophe Risk Insurance Facility) · Rolling basis (evaluated quarterly)
For Communities / Cooperatives For NGOs Multilateral Grant Technical Assistance Global Capacity Building Climate Coastal Protection
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
periodic
NOAA IOOS Integrated Ocean Observing System Funding · NOAA U.S. Integrated Ocean Observing System (IOOS) Program Office · Varies by announcement. Check Grants.gov for current active NOFOs. No single blanket deadline.
For Researchers Government Grant Biodiversity Blue Economy Climate Coastal Protection Marine Conservation Research