Upcoming Deadlines
Source
EU
Federal (DE)
Schleswig-Holstein
Mecklenburg-Vorpommern
Lower Saxony
Foundation
Private
US Foundation
UK
Nordic
UN / Multilateral
Corporate
Impact Investor
Philanthropic Network
International
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
5 fixed deadlines, 33 rolling/open
May 2026
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
31.05.
12d left
Illuminating the Mekong River Basin
· National Geographic Society
· Up to $20,000. Funds usable over two years.
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).
June 2026
15.06.
27d left
Icelandic Research Fund (Rannis)
· Rannis - The Icelandic Centre for Research
· Annual budget determined by the Icelandic Finance Act; specific amounts per grant type not specified on main page.
17.06.
29d left
Innovation Fund Denmark - Sustainable Blue Economy Partnership (SBEP)
· Innovation Fund Denmark
· EUR 50,000 to EUR 300,000 per Danish partner; if two or more Danish partners, maximum EUR 500,000 total. Funding rate 25-90% of total project costs.
Rolling / Open Deadlines
Rolling
Sustainable Blue Economy Partnership (SBEP)
· Sustainable Blue Economy Partnership (SBEP)
· 3rd Joint Transnational Call: launched September 2025; Rolling TA Call: open February 20, 2026 to February 29, 2028 (evaluated every 4 months)
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)
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)
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)
periodic
Global Ghost Gear Initiative (GGGI) - Small Grants Program
· Global Ghost Gear Initiative (GGGI)
· Periodic annual round; 2024 and 2025 recipients were selected; next round timing not specified on website
periodic
Interreg Baltic Sea Region 2021-2027
· Interreg Baltic Sea Region Programme
· Periodic calls; the programme runs 2021-2027. Call-specific deadlines announced by Managing Authority/Joint Secretariat. Check interreg-baltic.eu/gateway/ for current calls.
Rolling
GGGI Small Grants Program — Ghost Gear Removal
· Global Ghost Gear Initiative (GGGI)
· Rolling (membership and grant access pending available funding)
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.
Rolling
BlueInvest - Maritime Forum - European Union
· European Commission – Directorate-General for Maritime Affairs and Fisheries
· Rolling / ongoing community platform; BlueInvest Day 2026: March 2026
periodic
EMFAF Annual Work Programme 2026-2027 — Grants and Procurement
· European Commission — DG MARE / CINEA
· Rolling / programme period 2026-2027; individual calls published separately on CINEA/DG MARE portals
Rolling
State Programme Fisheries and Aquaculture 2021-2027 (Schleswig-Holstein)
· Land Schleswig-Holstein / Ministerium für Landwirtschaft, ländliche Räume, Europa und Verbraucherschutz (MLLEV)
· Rolling basis
Rolling
European Maritime, Fisheries and Aquaculture Fund (EMFAF)
· European Commission / Directorate-General for Maritime Affairs and Fisheries (DG MARE)
· Rolling basis
Rolling
Rolling
Rolling
Esmee Fairbairn Foundation - Natural World / Marine Grants
· Esmee Fairbairn Foundation
· Rolling basis
Rolling
UKRI / Natural Environment Research Council (NERC) - Marine Programs
· UK Research and Innovation / Natural Environment Research Council (NERC)
· Rolling basis
Rolling
Danish EMFAF Fund - European Maritime Fisheries and Aquaculture Fund (Denmark)
· Styrelsen for Fødevarer, Landbrug og Fiskeri (Danish Agency for Food, Agriculture and Fisheries)
· Rolling basis
Rolling
Rolling
Baltic Sea Conservation Foundation (BaltCF)
· Baltic Sea Conservation Foundation (BaltCF)
· Rolling basis
Rolling
Rolling
Rolling
Waitt Foundation Rapid Ocean Conservation (ROC) Grants – Small Grants for Island Nation Ocean Conservation
· Waitt Foundation
· Rolling basis
Rolling
MSC Ocean Stewardship Fund
· Marine Stewardship Council
· Rolling basis (Recertification Assistance Fund open on rolling basis; annual grants cycle currently closed)
Rolling
Adessium Foundation - Nature and Living Environment Programme
· Adessium Foundation
· Rolling basis (invitation-only; no open calls)
Rolling
Denmark EMFAF Programme 2021-2027
· Fiskeristyrelsen (Danish Fisheries Agency)
· Rolling basis - individual schemes open and close throughout the year
Rolling
European Maritime, Fisheries and Aquaculture Fund (EMFAF)
· European Commission - Directorate-General for Maritime Affairs and Fisheries
· Rolling basis - managed through national operational programmes; CINEA direct management calls announced periodically
Rolling
European Maritime, Fisheries and Aquaculture Fund (EMFAF) 2021-2027
· European Commission - DG MARE
· Rolling basis - ongoing calls under national programmes; specific direct management calls have individual deadlines
Rolling
KfW Sustainable Ocean Fund (SOF)
· KfW Development Bank
· Rolling basis — SOF is an active investment fund; approach via fund management
periodic
European Maritime, Fisheries and Aquaculture Fund (EMFAF) 2021-2027
· European Climate, Infrastructure and Environment Executive Agency (CINEA)
· Rolling basis; individual calls have specific deadlines listed at cinea.ec.europa.eu/funding-opportunities/calls-proposals
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.
periodic
Green Program for Transition of Fisheries and Aquaculture (Denmark)
· Styrelsen for Fødevarer, Landbrug og Fiskeri (Danish Agency for Food, Agriculture and Fisheries)
· Unknown
periodic
Adaptation Fund Climate Innovation Accelerator (AFCIA)
· United Nations Development Programme (UNDP) / Adaptation Fund / European Union
· Unknown
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.