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, 15 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

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

Rolling / Open Deadlines

periodic
OCEAN Grant Programme UK - Marine Community Grants · UK FCDO / Defra (Blue Planet Fund) · 2026-Q2
For Communities / Cooperatives For NGOs Government Grant Africa India Southeast Asia Blue Economy Marine Conservation Plastic Waste Waste Management
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
Norway Development Assistance Program Against Marine Litter - SDG Partnership · Government of Norway (Norad — Norwegian Agency for Development Cooperation) · Call for proposals Stage 1 (concept notes) deadline: September 2025 (first phase of new programme); monitor norad.no for 2026 calls
For NGOs Government Grant Africa Global Southeast Asia Blue Economy Capacity Building Circular Economy Marine Conservation Plastic Waste Pollution Recycling & Upcycling Waste Management
periodic
StartBlue Ocean Enterprise Accelerator (VentureWell/Scripps) · VentureWell / NOAA IOOS · Periodic, Spring and Fall cohorts annually (Spring 2026 Stage 0 deadline: April 7, 2026)
For Researchers For Startups Foundation Accelerator Grant Aquaculture Blue Economy Marine Conservation
periodic
Schmidt Marine Technology Partners · Schmidt Marine Technology Partners (Schmidt Family Foundation) · Portal closed for 2025. Reopening early 2026 — check schmidtmarine.secure-platform.com
For NGOs For Researchers For Startups Foundation Grant Global Blue Economy Marine Conservation Pollution Research
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
periodic
GIZ - SWITCH to Circular Economy in Eastern and Southern Africa (SWITCH-2-CE) · European Union and German Federal Ministry for Economic Cooperation and Development (BMZ); implemented by GIZ and Expertise France · Programme runs April 2025 to July 2029; individual call deadlines vary (Call for Projects deadline was 16 March 2026)
For NGOs For Startups Government Multilateral Grant Technical Assistance Africa Blue Economy Capacity Building Circular Economy Climate Plastic Waste Recycling & Upcycling Waste Management
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
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
Schmidt Ocean Institute - Research Vessel & Grant Program · Schmidt Ocean Institute · Rolling basis
For Researchers Foundation Grant Technical Assistance Global Blue Economy Marine Conservation Research
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
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
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
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
periodic
Copernicus Grants and Public Procurements · European Union (Copernicus Programme / Mercator Ocean International / EUMETSAT / ECMWF) · Varies by tender. Current tenders: FRONT-END TOOLS WEB DEVELOPMENT closed 02/03/2026; BLUE MARKETS tender also recently closed. Upcoming tenders listed on the page.
Government Multilateral Grant Arctic Baltic Sea Mediterranean North Sea Blue Economy Marine Conservation Research