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

10 fixed deadlines, 50 rolling/open

May 2026

27.05. 8d left
All news - BlueInvest Community · TASC-RestoreMed / BlueInvest Community (European Commission) · €200,000–€1.4M per project (Community-Led Actions, total €7M); €100,000 per project (Transition Agendas, total €1M)
For Communities / Cooperatives For NGOs For Researchers Government Multilateral Grant Technical Assistance Mediterranean Biodiversity Blue Economy Circular Economy Coastal Protection Marine Conservation Plastic Waste Pollution Seaweed & Algae
29.05. 10d left
BlueActionBANOS - Community-Led Actions for Ocean Restoration · BlueActionBANOS · Community-Led Actions: EUR 200,000–2,000,000 (consortia), up to EUR 500,000 (individual entities). Transition Agendas: up to EUR 100,000 each.
Government Multilateral Grant Baltic Sea Nordic / Denmark North Sea Blue Economy Capacity Building Climate Coastal Protection Marine Conservation Pollution
29.05. 10d left
BlueActionBANOS - Baltic and North Sea Ocean Restoration · BlueActionBANOS · EUR 200,000 to EUR 2 million per action. Maximum EUR 500,000 to any single entity within a consortium.
For Communities / Cooperatives For NGOs Multilateral Grant Baltic Sea North Sea Biodiversity Blue Economy Coastal Protection Marine Conservation Pollution
29.05. 10d left
Funding opportunities - BlueActionBANOS · BlueActionBANOS · Community-Led Actions: grants of EUR 200,000 to EUR 2,000,000 per consortium (max EUR 500,000 per entity). Transition Agendas: up to EUR 100,000 per award.
For NGOs Government Grant Baltic Sea North Sea Biodiversity Blue Economy Capacity Building Climate Coastal Protection Marine Conservation Pollution
29.05. 10d left
BlueActionBANOS Open Call for Community-Led Actions · BlueActionBANOS · Grants of EUR 200,000 to EUR 2,000,000 per consortium. Maximum EUR 500,000 per single entity within the consortium. 100% funding rate. Paid as lump sum with stages and deliverables defined in an Individual Integrated Project Plan.
For NGOs Government Grant Baltic Sea North Sea Biodiversity Blue Economy Climate Coastal Protection Marine Conservation Pollution Waste Management
29.05. 10d left
Community-Led Actions Open Call - BlueActionBANOS · BlueActionBANOS · Grants ranging from €200,000 to €2 million per project, with up to 24 months of programme support
For Communities / Cooperatives For NGOs Government Grant Baltic Sea North Sea Blue Economy Coastal Protection Marine Conservation Pollution
29.05. 10d left
BlueActionBANOS — Open Call: Community-Led Actions · BlueActionBANOS · EUR 200,000 to EUR 2,000,000 per Community-Led Action; maximum EUR 500,000 to any single entity within a consortium
Multilateral Grant Baltic Sea North Sea Biodiversity Blue Economy Coastal Protection Marine Conservation Pollution
29.05. 10d left
BlueActionBANOS — Open Call: Transition Agendas · BlueActionBANOS · Not specified for Transition Agendas — financial support amount to be confirmed in the full call details
Multilateral Grant Baltic Sea North Sea Blue Economy Coastal Protection Fisheries Marine Conservation Pollution
31.05. 12d left
Common Waters: Community-based Coastal and Riverine Stewardship · National Geographic Society · Level I: up to $20,000 (for earlier-career applicants, first-time NGS grantees). Level II: up to $75,000 (for established practitioners or prior NGS grantees).
Foundation Grant Arctic Global Mediterranean Biodiversity Climate Coastal Protection Fisheries Marine Conservation

June 2026

30.06. 42d
Aage V. Jensen Nature Foundation - Marine Ecosystem Conservation · Aage V. Jensen Naturfond · DKK 4-7 million over 2-5 years (approx. EUR 540,000 to EUR 940,000 total). Funds PhD positions (including tuition), postdocs, and up to 10% of permanent scientific staff salaries.
For Researchers Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Marine Conservation Plastic Waste Pollution Research

Rolling / Open Deadlines

periodic
Interreg Atlantic Area Programme 2021-2027 · Interreg Atlantic Area · 3rd call for projects: recently concluded with approved projects; upcoming calls TBD
Government Grant Global Biodiversity Blue Economy Climate Coastal Protection Marine Conservation
periodic
Interreg Central Baltic Programme 2021-2027 · Interreg Central Baltic · 5th call for project proposals recently selected; call calendar at centralbaltic.eu/for-applicants/call-calendar/
Government Grant Baltic Sea Nordic / Denmark Blue Economy Circular Economy Climate Coastal Protection Marine Conservation
periodic
Interreg South Baltic Programme 2021-2027 · Interreg South Baltic · 6th call for proposals announced (forthcoming); 5th call recently concluded
Government Grant Baltic Sea Nordic / Denmark Blue Economy Circular Economy Coastal Protection Marine Conservation Waste Management
periodic
Interreg South Baltic Programme - Calls for Proposals · Interreg South Baltic Programme (EU / Joint Secretariat) · 6th call for proposals: 16 September – 4 November 2026 (Measures 1.1 and 4.1 only). 4th Small-scale project call: same window (Measure 4.1, EUR 320K ERDF indicative). Note: Measure 2.3 (circular/resource efficiency) and Measure 2.2 (water) not included in 6th call.
For NGOs For Researchers Government Multilateral Grant Baltic Sea Aquaculture Biodiversity Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Plastic Waste Pollution Seaweed & Algae Waste Management
Rolling
Spain — Biodiversity Foundation - Terra Viva Grants · Fundación Biodiversidad (Biodiversity Foundation) — Spain · Annual call for proposals; specific deadline published per round
For NGOs Government Grant Global Biodiversity Capacity Building Climate Coastal Protection Marine Conservation
periodic
Blue Planet Fund (Defra) · UK Government - Department for Environment, Food & Rural Affairs (Defra) / Foreign, Commonwealth & Development Office · Annual call; next round expected January 2026 (Round 2 grantees announced, Round 3 not yet open as of May 2026)
For NGOs Government Grant Africa Global Southeast Asia Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution
Rolling
LIFE Programme 2025-2027 Multi-Annual Work Programme (Official Document) · European Commission / CINEA (European Climate, Infrastructure and Environment Executive Agency) · Annual calls throughout 2025, 2026, and 2027
For Communities / Cooperatives For NGOs For Researchers Government Blended Finance Grant Prize Technical Assistance Biodiversity Capacity Building Circular Economy Climate Coastal Protection Marine Conservation Pollution Recycling & Upcycling Research Waste Management
periodic
OCEAN Grants Programme — Community Grants and Partnership Grants (UK Blue Planet Fund) · OCEAN Grants Programme (UK Blue Planet Fund / Defra) · Annual — Round 2 closed February/March 2025; Round 3 expected to open late 2025 or early 2026
For NGOs Government Grant Global Biodiversity Coastal Protection Marine Conservation Plastic Waste
periodic
Whitley Fund for Nature (Whitley Awards) · Whitley Fund for Nature · Annual, applications typically open in autumn for the following spring ceremony; 2026 round now closed (ceremony held 29 April 2026)
For NGOs Foundation Grant Prize Africa Global India Southeast Asia Biodiversity Coastal Protection Fisheries Marine Conservation
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
Baltic Sea Action Plan (BSAP) Fund - Nefco · Nefco / Nordic Investment Bank (NIB) — Baltic Sea Action Plan Fund · Annual, next call expected early 2026 (2025 round closed April 18, 2025; results announced February 2026)
For NGOs For Researchers Multilateral Grant Baltic Sea Biodiversity Circular Economy Climate Coastal Protection Fisheries Marine Conservation Plastic Waste Pollution Research Waste Management
periodic
Miljøstøtte til Arktis (DANCEA) — Danish Arctic Environmental Support · Miljøstyrelsen (Danish Environmental Protection Agency) · Annual, typically June-September (2025 round: 24 September 2025)
For NGOs Government Grant Arctic Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution Research
periodic
TotalEnergies Foundation — Marine & Coastal Environment Programme · TotalEnergies Foundation · Annual, typically Q4 (2024 edition launched; no 2025/2026 open round announced)
For NGOs Corporate Grant Biodiversity Capacity Building Coastal Protection Education Marine Conservation
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
Interreg North Sea Programme 2021-2027 · Interreg North Sea Programme · Call 6 is currently open (deadline not specified on page; rolling within Call 6 period)
For NGOs Government Multilateral Grant North Sea Biodiversity Blue Economy Circular Economy Climate Coastal Protection Marine Conservation
periodic
Interreg Deutschland-Danmark Programme 2021-2027 · Interreg Deutschland-Danmark · November 2025 application deadline was likely the last in 2021-2027 period — funds expected to be fully committed
Government Grant Baltic Sea Nordic / Denmark North Sea Blue Economy Circular Economy Climate Coastal Protection
Rolling
Indonesia Mangroves for Coastal Resilience Project (P178009) · World Bank Group (IBRD) · Ongoing; procurement opportunities advertised through the World Bank procurement portal and Indonesian Government systems
Multilateral Loan / Concessional Finance Southeast Asia Biodiversity Coastal Protection Marine Conservation
periodic
BINGO! Environmental Foundation Lower Saxony · Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation) · Periodic
For NGOs Foundation Grant North Sea Biodiversity Capacity Building Coastal Protection Marine Conservation Pollution
periodic
Interreg Aurora Programme 2021-2027 (formerly Northern Periphery and Arctic) · Interreg Aurora · Periodic calls for applications; check interregaurora.eu/projects/calls-for-applications/ for open calls
Government Grant Arctic Nordic / Denmark Biodiversity Climate Coastal Protection Marine Conservation
periodic
Deutsche Postcode Lotterie - Environmental Project Funding · Deutsche Postcode Lotterie · Periodic, multiple rounds per year
For NGOs Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation Pollution
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
Federal Programme for Biological Diversity (Bundesprogramm Biologische Vielfalt) · Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation
Rolling
Wilderness Fund (Wildnisfonds) · Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN) · Rolling basis
For NGOs Government Grant Biodiversity Coastal Protection Marine Conservation
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
Interreg Baltic Sea Region Programme 2021-2027 · Interreg Baltic Sea Region · Rolling basis
For NGOs Government Grant Baltic Sea Biodiversity Blue Economy Circular Economy Coastal Protection Marine Conservation Pollution
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
Adaptation Fund - Nature-Based Solutions for Coastal Adaptation · Adaptation Fund · Rolling basis
Multilateral Grant Africa Global India Southeast Asia Biodiversity Climate Coastal Protection Marine Conservation
Rolling
11th Hour Racing · 11th Hour Racing · Rolling basis
Foundation Grant Global Climate Coastal Protection Marine Conservation
Rolling
Schleswig-Holstein Coastal Protection Funding Directive (LKN.SH) · Schleswig-Holstein Ministry for Energy Transition, Agriculture, Environment, Nature and Digitalization (MELUND) · Rolling basis
Government Grant Baltic Sea North Sea Coastal Protection
Rolling
NLWKN Lower Saxony Coastal and Island Protection Funding Program · NLWKN — Niedersächsischer Landesbetrieb für Wasserwirtschaft, Küsten- und Naturschutz · Rolling basis
Government Grant North Sea Coastal Protection
Rolling
Lower Saxony Funding for Projects in Transitional and Coastal Waters (Foerderdatenbank) · Niedersächsisches Ministerium für Umwelt, Energie und Klimaschutz (Lower Saxony Ministry of Environment, Energy and Climate Protection) · Rolling basis
Government Grant North Sea Coastal Protection Marine Conservation
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
Patagonia — International Environmental Grants · Patagonia · Rolling basis
For NGOs Corporate Grant Nordic / Denmark Biodiversity Coastal Protection Marine Conservation
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
Nordea-fonden — Ud i det fri (Outdoor Nature Program) · Nordea-fonden · Rolling basis
Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation
Rolling
Nordea-fonden — Large Grants (over 1 million DKK) · Nordea-fonden · Rolling basis
Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation
Rolling
Nordea-fonden — Liv i det lokale (Local Community Grants) · Nordea-fonden · Rolling basis
For NGOs Foundation Grant Nordic / Denmark Biodiversity Coastal Protection Education Marine Conservation
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
11th Hour Racing Grant Program · 11th Hour Racing · Rolling basis - applications accepted year-round in 2026
For NGOs Foundation Grant Global Circular Economy Coastal Protection Education Marine Conservation Plastic Waste
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
Rolling
EU Mission: Restore our Ocean and Waters - Research and innovation · European Commission – Directorate-General for Research and Innovation (Horizon Europe) · Rolling — periodic calls under the Horizon Europe Work Programme (2026/27 calls announced in January 2026)
For NGOs For Researchers Government Multilateral Grant Arctic Baltic Sea Mediterranean North Sea Biodiversity Blue Economy Circular Economy Climate Coastal Protection Marine Conservation Pollution Research
Rolling
Endangered Landscapes and Seascapes Programme (ELSP) · Endangered Landscapes & Seascapes Programme (ELSP) / Arcadia Fund · Rolling; open calls publicised when opened — no permanent deadline stated
For NGOs Foundation Grant North Sea Biodiversity Coastal Protection Marine Conservation
periodic
OCEAN Grant Programme UK - Marine Community Grants · UK Blue Planet Fund / OCEAN Grants Programme (administered by NIRAS) · Round 2 application window is now closed. Future rounds expected; sign up to mailing list for updates. Programme runs until 2029.
For NGOs Government Grant Africa Global India Southeast Asia Biodiversity Coastal Protection Fisheries Marine Conservation Plastic Waste Pollution
periodic
Interreg Central Baltic Programme 2021-2027 · Sixth Call expected 2026-2027 (Fifth Call closed September 2025)
For NGOs For Researchers For Startups Government Multilateral Grant Baltic Sea Nordic / Denmark Blue Economy Capacity Building Circular Economy Climate Coastal Protection Marine Conservation
periodic
Adaptation Fund Climate Innovation Accelerator (AFCIA) · United Nations Development Programme (UNDP) / Adaptation Fund / European Union · Unknown
For Communities / Cooperatives For NGOs Multilateral Accelerator Grant Africa Global Southeast Asia Biodiversity Blue Economy Capacity Building Climate Coastal Protection Fisheries Marine Conservation
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