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
6 fixed deadlines, 9 rolling/open
March 2026
25.03.
5d left
25.03.
5d left
Franklinia Foundation : Supporting the world's threatened trees
· Franklinia Foundation (Fondation Franklinia)
· Not specified on the website. Applicants should consult the Instructions for Applicants document.
25.03.
5d left
Fondation Franklinia — Conservation of Globally Threatened Trees
· Fondation Franklinia
· Not specified; foundation favors "reasonable budgets in relation to proposed activities" and requires 20-50% co-funding
25.03.
5d left
Grant Call for In Situ Conservation of Globally Threatened Trees
· Fondation Franklinia
· Not specified on the website. Typical grant amounts not publicly disclosed.
25.03.
5d left
GEF Small Grants Programme - Libya (GEF OP8)
· Global Environment Facility (GEF) / UNDP
· Grants up to USD 75,000 per regular project; up to USD 150,000 for strategic projects. Typical grants range USD 25,000-50,000.
May 2026
27.05.
68d
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)
Rolling / Open Deadlines
Rolling
Ethics Charter - Fondation Prince Albert II de Monaco
· Fondation Prince Albert II de Monaco (PA2F)
· 2025 call closed; next call expected annually (check website)
Rolling
Fondation Prince Albert II de Monaco
· Fondation Prince Albert II de Monaco
· 2025 call closed; next call expected annually (typically opens mid-year)
Rolling
Our Ocean 2024: Alongisde the Foundation funders Pledge 60.8 ...
· Prince Albert II of Monaco Foundation (FPA2) & Partners
· 2025 call closed; results by March 31, 2026. Future calls expected annually.
Rolling
Prince Albert II of Monaco Foundation Grant Program - fundsforNGOs
· Prince Albert II of Monaco Foundation
· 2025 call is closed. Results communicated by March 31, 2026. Next call expected in 2026.
periodic
[PDF] Spain's Biodiversity Foundation And its Pleamar Programme
· Annual, typically July — 2025 call closed 28 July 2025; 2026 call expected May-July 2026
Rolling
Resilient Mediterranean Sea - Adessium Foundation
· Adessium Foundation
· No open call deadline — foundation works through strategic partnerships and invited grantees
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
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
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.