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
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Coral Reefs
Education
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Recycling & Upcycling
Research
Seaweed & Algae
Waste Management
Mechanism
Accelerator
Blended Finance
Grant
Investment
Loan / Concessional Finance
Prize
Technical Assistance
24 fixed deadlines, 110 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)
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.
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.
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.
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.
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
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
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
NOAA Marine Debris Program — Grants
· NOAA Marine Debris Program
· Current open opportunity: individual projects $50,000 – $200,000 (total $2.2M pool administered by Ocean Conservancy). NOAA's own competitive grants vary by round.
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
EU Blue Partnership for Sustainable Blue Economy
· Sustainable Blue Economy Partnership
· €43.5 million total for the third joint transnational call; individual project allocations not specified on the page
17.06.
29d left
EU Blue Partnership - Transitioning Blue Economy Sectors
· Sustainable Blue Economy Partnership (SBEP)
· Total estimated budget approx. EUR 43.5 million pooled across 38 national/regional funding organisations and co-funded by the EU (Horizon Europe). Individual project budgets depend on national regulations and participating funders.
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.
24.06.
36d
National Geographic Society Grants - Ocean Exploration & Discovery
· National Geographic Society
· Level I grants up to USD 20,000 for early career scientists; Level 2 grants for established researchers (amounts vary); project-specific RFPs with own budgets
24.06.
36d
NatGeo: Developing Future Ocean Stewards
· National Geographic Society
· Level I: up to USD 20,000 over 1 year; Level II: up to USD 100,000 over 2 years (average USD 50,000-65,000)
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.
July 2026
01.07.
43d
Darwin Initiative
· Darwin Initiative
· Innovation: £10,000–£200,000; Capability & Capacity: £50,000–£200,000; Main: £100,000–£800,000; Extra: £800,000–£5,000,000
15.07.
57d
NOAA IOOS Integrated Ocean Observing System Funding
· NOAA Integrated Ocean Observing System (IOOS)
· Not specified; contingent upon federal appropriations
31.07.
73d
BMUV Nature Conservation Association Funding (Verbändeförderung Naturschutz)
· Federal Ministry for the Environment, Climate Protection, Nature Conservation and Nuclear Safety (BMUV)
· EUR 4.45 million per year distributed across eligible associations and projects
August 2026
01.08.
74d
Rolex-Explorers Club Grant
· The Explorers Club / Rolex
· Historically, awards have been given in the amount of $10,000 USD.
01.08.
74d
Oceanic Society - Expedition Impact Program Conservation Grants
· Oceanic Society
· USD 1,000-10,000 per grant; typically 3 grants per cycle with additional grants subject to budget availability
07.08.
80d
Ocean Exchange Awards
· Ocean Exchange
· Three USD 100,000 Neptune Awards (non-dilutive) per cycle; two USD 10,000 Collegiate Awards; one Ocean Enterprise Award (amount not specified); evaluated annually
Rolling / Open Deadlines
Rolling
LIFE Programme Multi-Annual Work Programme 2025-2027 Overview
· European Commission – LIFE Programme
· 2025–2027 (rolling calls; specific call deadlines published on EU Funding & Tenders Portal)
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
Interreg Atlantic Area Programme 2021-2027
· Interreg Atlantic Area
· 3rd call for projects: recently concluded with approved projects; upcoming calls TBD
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/
periodic
Interreg South Baltic Programme 2021-2027
· Interreg South Baltic
· 6th call for proposals announced (forthcoming); 5th call recently concluded
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.
Rolling
Spain — Biodiversity Foundation - Terra Viva Grants
· Fundación Biodiversidad (Biodiversity Foundation) — Spain
· Annual call for proposals; specific deadline published per round
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)
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
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
periodic
Pure Ocean Challenges — Call for Projects
· Pure Ocean
· Annual, September 1 – October 1 (Phase 1); Phase 2 by invitation (October 20 – November 23)
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
Creative Destruction Lab (CDL) - Oceans Stream
· Creative Destruction Lab
· Annual, sessions run September to June; application timing varies each cohort
periodic
Baltic Sea Action Plan Fund
· Nordic Environment Finance Corporation (NEFCO)
· Annual, typically February-April (2025 round deadline was 18 April 2025; 2026 round expected similar period)
periodic
Miljøstøtte til Arktis (DANCEA) — Danish Arctic Environmental Support
· Miljøstyrelsen (Danish Environmental Protection Agency)
· Annual, typically June-September (2025 round: 24 September 2025)
periodic
PADI AWARE Foundation Community Grant Program
· PADI AWARE Foundation
· Annual, typically October (most recent: 3 October 2025)
periodic
TotalEnergies Foundation — Marine & Coastal Environment Programme
· TotalEnergies Foundation
· Annual, typically Q4 (2024 edition launched; no 2025/2026 open round announced)
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)
periodic
periodic
NORA Projects
· Nordic Atlantic Cooperation (NORA)
· Annual, typically early March (first round) and early October (second round). Next deadline: 4 October 2026 (Greenlandic time)
periodic
Oceanic Society: Global Ocean Cleanup — Annual Partner Grant Programme
· Oceanic Society
· Annual, typically spring (2026 cycle closed; 2026 event: June 13-14, 2026)
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
periodic
Björn Carlson Baltic Sea Prize (BalticSea2020)
· Björn Carlsons Östersjöstiftelse (BalticSea2020)
· Annual; nomination period not specified on website
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)
Rolling
King Baudouin Foundation - EU Missions Horizon Europe: Restore our Ocean and Waters
· King Baudouin Foundation
· Call-specific; rolling calls published at kbs-frb.be
periodic
CINEA LIFE 2026 — Circular Economy and Quality of Life Sub-Programme
· European Commission / CINEA (European Climate Infrastructure and Environment Executive Agency) — LIFE Programme
· Calls opened 21 April 2026; deadline expected September-October 2026. LIFE 2026 Info Days: 28-30 April 2026.
Rolling
Interreg Baltic Sea Region Programme 2021-2027
· Interreg Baltic Sea Region Programme 2021-2027 (IB.SH / EU Cohesion Policy)
· Future calls expected 2026-2027; second call for project platforms closed November 2025
Rolling
Norwegian Development Programme to Reduce Plastic Pollution and Marine Litter
· Norad (Norwegian Agency for Development Cooperation)
· Ongoing
Rolling
Norad Marine Litter Programme — Stage 2 (Invitation Only)
· Norad
· Ongoing (no current deadline — open to invited applicants on a rolling basis)
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
periodic
BINGO! Environmental Foundation Lower Saxony
· Niedersaechsische Bingo-Umweltstiftung (Lower Saxony BINGO! Environmental Foundation)
· Periodic
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 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
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.
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
periodic
Aage V. Jensen Naturfond – Nature Conservation Grants
· Aage V. Jensen Naturfond
· Periodic — three application rounds per year
periodic
Deutsche Postcode Lotterie - Environmental Project Funding
· Deutsche Postcode Lotterie
· Periodic, multiple rounds per year
periodic
Aage V. Jensen Naturfond – Grant Programme (3x/year)
· Aage V. Jensen Naturfond
· Periodic, three times per year
periodic
ZUG gGmbH Grant Programme against Marine Litter
· Zukunft – Umwelt – Gesellschaft (ZUG) gGmbH
· Periodic, typically every 2-3 years (calls in 2020, 2021, 2022, 2025); 2025 call is closed; next call date not yet announced
Rolling
GGGI Small Grants Program — Ghost Gear Removal
· Global Ghost Gear Initiative (GGGI)
· Rolling (membership and grant access pending available funding)
periodic
Interreg South Baltic 2021-2027
· Interreg South Baltic
· Rolling - depends on specific call; programme runs until 2027
Rolling
Norwegian Development Programme to Combat Marine Litter and Microplastics (Norad/MFA)
· Norad - Norwegian Agency for Development Cooperation
· Rolling - depends on specific open call
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
European Science Foundation — Blue Action (Atlantic-Arctic Ocean Research)
· European Science Foundation
· Rolling / multiple calls; project period September 2025 - August 2029
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
Marine Nature Conservation Fund (Meeresnaturschutzfonds)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling basis
Rolling
Federal Programme for Biological Diversity (Bundesprogramm Biologische Vielfalt)
· Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN)
· Rolling basis
Rolling
Wilderness Fund (Wildnisfonds)
· Bundesministerium für Umwelt, Naturschutz, nukleare Sicherheit und Verbraucherschutz (BMUV/BMUKN)
· Rolling basis
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
Large-Scale Nature Conservation Projects (chance.natur)
· Bundesamt für Naturschutz (BfN) / Bundesministerium für Umwelt, Naturschutz und nukleare Sicherheit (BMUV)
· 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
DBU General Project Funding (Projektfoerderung)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling basis
Rolling
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
Rolling
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
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
Greenpeace Environmental Foundation (Umweltstiftung Greenpeace) - Marine Conservation Grants
· Umweltstiftung Greenpeace
· Rolling basis
Rolling
DBU Marine Nature Conservation Fund - North and Baltic Sea Protection
· Deutsche Bundesstiftung Umwelt
· Rolling basis
Rolling
Rolling
Baltic Sea Conservation Foundation (BaltCF)
· Baltic Sea Conservation Foundation (BaltCF)
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Global Fund for Coral Reefs - Fondation Prince Albert II de Monaco
· Global Fund for Coral Reefs (GFCR)
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation
· Aage V. Jensen Charity Foundation
· Rolling basis
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Rolling
Waitt Foundation Rapid Ocean Conservation (ROC) Grants – Small Grants for Island Nation Ocean Conservation
· Waitt Foundation
· Rolling basis
Rolling
NATO Science for Peace and Security (SPS) Programme
· NATO Science for Peace and Security (SPS) Programme
· Rolling basis
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis (Letters of Inquiry reviewed quarterly; full proposals by invitation only)
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
11th Hour Racing Grant Program
· 11th Hour Racing
· Rolling basis - applications accepted year-round in 2026
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
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
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
Rolling
EEA and Norway Grants 2014-2021 / 2021-2028
· EEA Grants / Norway Grants
· Rolling — each beneficiary country has its own programme timeline and call schedule
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)
periodic
Interreg Baltic Sea Region Programme 2021-2027
· Interreg Baltic Sea Region
· Rolling, with periodic calls for project proposals
Rolling
Endangered Landscapes and Seascapes Programme (ELSP)
· Endangered Landscapes & Seascapes Programme (ELSP) / Arcadia Fund
· Rolling; open calls publicised when opened — no permanent deadline stated
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
Interreg Central Baltic Programme 2021-2027
· Sixth Call expected 2026-2027 (Fifth Call closed September 2025)
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
periodic
EU Digital Twins of the Ocean (DTO) - Horizon Europe
· European Commission - Research and Innovation
· Unknown
Rolling
periodic
Adaptation Fund Climate Innovation Accelerator (AFCIA)
· United Nations Development Programme (UNDP) / Adaptation Fund / European Union
· Unknown
periodic
Catalytic Climate Finance Facility (CCFacility) – CPI & Convergence
· Climate Policy Initiative (CPI) and Convergence Blended Finance
· 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.
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.