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, 22 rolling/open

September 2026

23.09. 127d
Horizon Europe - Mission: Restore our Ocean and Waters · European Commission / Directorate-General for Research and Innovation (DG RTD) / Horizon Europe · Horizon Europe Work Programme 2026/27 includes new 2026 calls for the Ocean Mission. Individual call budgets vary. Typical Horizon Europe project grants range from several hundred thousand to several million EUR.
Multilateral Grant Baltic Sea Global North Sea Biodiversity Blue Economy Coastal Protection Marine Conservation Marine Protected Areas Pollution Research
23.09. 127d
EU Mission Ocean — HORIZON-MISS-2026-03-OCEAN-01: Marine Habitat Mapping · European Commission (Horizon Europe / EU Mission: Restore our Ocean and Waters) · EUR 7,000,000 to EUR 7,750,000 per project; up to 4 projects awarded from EUR 31,000,000 total budget
For Researchers Government Grant Baltic Sea Biodiversity Marine Conservation Marine Protected Areas Research

Rolling / Open Deadlines

periodic
FCDO Blue Planet Fund — OCEAN Grants Programme · UK Foreign, Commonwealth & Development Office (FCDO) / Department for Environment, Food & Rural Affairs (Defra) · Annual, next call due January 2025 (per November 2024 update)
For NGOs Government Grant Africa Global Southeast Asia Biodiversity Circular Economy Coastal Protection Fisheries Marine Conservation Marine Protected Areas Plastic Waste Pollution Waste Management
periodic
PADI AWARE Foundation Community Grant Program · PADI AWARE Foundation · Annual, typically October (most recent: 3 October 2025)
For NGOs Foundation Grant Global Coral Reefs Marine Conservation Marine Protected Areas Plastic Waste Pollution
periodic
Prince Albert II of Monaco Foundation — Call for Projects · Prince Albert II of Monaco Foundation · Annual, typically autumn (2025 call closed; next call expected autumn 2026)
For NGOs Foundation Grant Global Mediterranean Biodiversity Climate Coastal Protection Coral Reefs Marine Conservation Marine Protected Areas Plastic Waste Pollution
periodic
The MedFund - Fondation Prince Albert II de Monaco · The MedFund · Annual; Call 2025 Phase 1 deadline was 15 May 2025, Phase 2 deadline was 13 July 2025
Foundation Grant Mediterranean Biodiversity Marine Conservation Marine Protected Areas
periodic
KfW Blue Action Fund (BAF) – Marine Conservation Grants for NGOs · Blue Action Fund / KfW Development Bank · Periodic — open calls published on rolling basis; check blueactionfund.org for current calls
For NGOs Government Grant Global Biodiversity 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
Marine Nature Conservation Fund (Meeresnaturschutzfonds) · Deutsche Bundesstiftung Umwelt (DBU) · Rolling basis
Foundation Grant Baltic Sea North Sea Biodiversity Coastal Protection Marine Conservation Marine Protected Areas Research
Rolling
Large-Scale Nature Conservation Projects (chance.natur) · Bundesamt für Naturschutz (BfN) / Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMUV) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation Marine Protected Areas
Rolling
Baltic Conservation Foundation - Funding · Baltic Conservation Foundation · Rolling basis
For NGOs Foundation Grant Loan / Concessional Finance Baltic Sea Nordic / Denmark Biodiversity Capacity Building Coastal Protection Fisheries Marine Conservation Marine Protected Areas Pollution
Rolling
Waitt Foundation - Rapid Ocean Conservation (ROC) Grants · Waitt Foundation · Rolling basis
For NGOs Foundation Grant Global Fisheries Marine Conservation Marine Protected Areas
Rolling
DBU Marine Nature Conservation Fund - North and Baltic Sea Protection · Deutsche Bundesstiftung Umwelt · Rolling basis
Foundation Grant Baltic Sea North Sea Biodiversity Coastal Protection Marine Conservation Marine Protected Areas Research
Rolling
Baltic Sea Conservation Foundation (BaltCF) · Baltic Sea Conservation Foundation · Rolling basis
For NGOs Foundation Grant Baltic Sea Biodiversity Capacity Building Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
Baltic Sea Conservation Foundation (BaltCF) · Baltic Sea Conservation Foundation (BaltCF) · Rolling basis
For NGOs Foundation Grant Baltic Sea Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas
Rolling
Global Fund for Coral Reefs - Fondation Prince Albert II de Monaco · Global Fund for Coral Reefs (GFCR) · Rolling basis
Foundation Multilateral Blended Finance Grant Investment Africa Global Southeast Asia Biodiversity Blue Economy Coral Reefs Marine Conservation Marine Protected Areas
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation · Aage V. Jensen Charity Foundation · Rolling basis
For NGOs Foundation Grant Africa Arctic Global Southeast Asia Biodiversity Capacity Building Coastal Protection Marine Conservation Marine Protected Areas
Rolling
Packard Foundation Ocean Initiative · David and Lucile Packard Foundation · Rolling basis
Foundation Grant Global Biodiversity Blue Economy Climate Fisheries Marine Conservation Marine Protected Areas
Rolling
Waitt Foundation Rapid Ocean Conservation (ROC) Grants – Small Grants for Island Nation Ocean Conservation · Waitt Foundation · Rolling basis
For NGOs For Researchers Foundation Grant Fisheries Marine Conservation Marine Protected Areas
Rolling
The Ocean Foundation Grantmaking · The Ocean Foundation · Rolling basis (Letters of Inquiry reviewed quarterly; full proposals by invitation only)
For NGOs Foundation Grant Global Biodiversity Capacity Building Coastal Protection Education Marine Conservation Marine Protected Areas
Rolling
Adessium Foundation - Nature and Living Environment Programme · Adessium Foundation · Rolling basis (invitation-only; no open calls)
For NGOs Foundation Grant Mediterranean Biodiversity Coastal Protection Fisheries Marine Conservation Marine Protected Areas Pollution
Rolling
Bezos Earth Fund – Conserving & Restoring Nature Program · Bezos Earth Fund · Rolling basis — no open call; grants awarded on invite-only or strategic partnership basis
For NGOs Foundation Grant Global Biodiversity Coastal Protection Marine Conservation Marine Protected Areas
periodic
Blue Action Fund (BMZ/KfW) - Marine Protected Areas Funding · Blue Action Fund · Upcoming Call for Proposals planned Q2/2026 for Indonesia, Philippines, Vietnam, and India (mangroves, blue carbon markets, 30x30). No current open call.
For NGOs Government Grant Africa India Southeast Asia Biodiversity Blue Economy Fisheries Marine Conservation Marine Protected Areas
periodic
Blue Action Fund Grant Programme · Blue Action Fund · Upcoming call planned Q2/2026 (Mangroves, Blue Carbon Markets and 30x30 in Indonesia, Philippines, Vietnam and India). No currently open call as of May 2026.
For NGOs Foundation Grant Africa India Southeast Asia Biodiversity Coastal Protection Marine Conservation Marine Protected Areas