Upcoming Deadlines
Source
EU
Federal (DE)
Schleswig-Holstein
Mecklenburg-Vorpommern
Lower Saxony
Foundation
Private
US Foundation
UK
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International
Topic
Aquaculture
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Blue Economy
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Mechanism
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Grant
Investment
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34 fixed deadlines, 110 rolling/open
March 2026
20.03.
Today!
Nessling Foundation - Small Funding for Civil Society Sustainability
· Maj and Tor Nessling Foundation
· Maximum EUR 10,000 per project. 6–8 projects funded per round.
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
Call from Fondation Franklinia - TripleFunds
· Fondation Franklinia
· Up to $100,000 per project, covering up to 80% of project costs (minimum 20% co-funding required)
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.
28.03.
8d left
Earth Journalism Network — Biodiversity Media Grants 2026
· Internews / Earth Journalism Network (EJN)
· EUR 10,000–12,000 per grant; 3–4 grants expected
28.03.
8d left
Internews Earth Journalism Network - Marine Conservation Media Grants
· Internews / Earth Journalism Network (EJN)
· Story grants plus reporting expenses; amounts vary by project
31.03.
11d left
NFWF National Coastal Resilience Fund
· National Fish and Wildlife Foundation (NFWF)
· $100K-$1.5M for planning/design projects; $1M-$7M for restoration implementation projects; no strict maximum
31.03.
11d left
Caribbean BluEFin Project (CBF)
· Caribbean Biodiversity Fund (CBF) — Caribbean BluEFin Project
· USD 200,000–250,000 per project; co-financing in cash and/or in-kind is highly encouraged
31.03.
11d left
Save Our Seas Foundation - Keystone Grants
· Save Our Seas Foundation (SOSF)
· USD 10,000–100,000 per year; average USD 25,000 per annum. Biennial cycle, up to 3 years total duration with annual continuation applications possible.
31.03.
11d left
Hatch Blue - BIM Aquatech Innovation Studio
· Hatch Blue & Bord Iascaigh Mhara (BIM), Ireland's Seafood Development Agency
· No cost and no equity taken. Participants gain access to €28M+ network of previously funded companies. Travel expenses not covered.
31.03.
11d left
April 2026
01.04.
12d left
The Wallenberg Foundations award grants to 13 research projects ...
· Marcus and Amalia Wallenberg Foundation (jointly with Marianne and Marcus Wallenberg Foundation)
· SEK 5-8 million per project (for the forestry call); total SEK 90 million across 13 projects
01.04.
12d left
COWIfonden — Engineering and Sustainability Research Grants
· COWIfonden (COWI Foundation)
· Not publicly specified; typically DKK hundreds of thousands to low millions
08.04.
19d left
12.04.
23d left
National Geographic Society Grants - Ocean Exploration & Discovery
· National Geographic Society
· Level I grants up to USD $20,000; Level II grants up to $100,000
15.04.
26d left
CirculaRise Accelerator (Yunus Environment Hub)
· Yunus Environment Hub
· Fully funded accelerator program (no equity taken, no cash grant specified)
15.04.
26d left
CirculaRise Accelerator - Yunus Environment Hub
· Yunus Environment Hub
· Fully funded program (no financial grant to participants, but all program costs covered by Yunus Environment Hub). Program support, coaching, and training are provided free of charge to selected participants.
16.04.
27d left
Danish Maritime Fund - Mobility and Transport - European Union
· Den Danske Maritime Fond (Danish Maritime Fund)
· Loans: up to 50% of project budget. Donations: partial funding for direct project costs (specific amounts not published). Internal hourly rates capped at 600 DKK/hour.
19.04.
30d left
Nippon Foundation-GEBCO Training Programme (Ocean Bathymetry Fellowship)
· Nippon Foundation (Japan) / GEBCO (General Bathymetric Chart of the Oceans)
· Full tuition and fees paid; annual stipend of approximately US$39,400; computer hardware, software, textbooks; one return airfare; return airfare for work experience cruise and visiting institution
May 2026
04.05.
45d
Nos programmes - Fondation de la Mer
· Fondation de la Mer (Foundation of the Sea)
· Doctoral scholarships: EUR 5,000 annually; SOS Corail project grants: amounts vary; no published general grant programme with specific amounts for external NGOs
15.05.
56d
ReFED Catalytic Grant Fund
· ReFED Catalytic Grant Fund
· Minimum $100,000 per grant over approximately a two-year period; fund capacity reported up to $20M total. Individual grant amounts not explicitly stated on the page.
17.05.
58d
Projektsuche - Robert Bosch Stiftung
· Robert Bosch Stiftung (Robert Bosch Foundation)
· Not disclosed; varies by program and partnership scope
31.05.
72d
Save Our Seas Foundation - Small Grants
· Save Our Seas Foundation (SOSF)
· Up to USD 10,000; average USD 5,000. Funding awarded for one financial year only (12-18 months project duration).
June 2026
01.06.
73d
Novo Nordisk Foundation - Project Grants for Societal Learning for the Green Transition
· Novo Nordisk Foundation
· DKK 200,000–6,000,000 (approx EUR 27,000–800,000) for projects up to 3 years. Total pool: up to DKK 35 million. Pre-projects up to DKK 500,000 for up to 6 months.
01.06.
73d
15.06.
87d
Funding Opportunities - Kavli Foundation
· The Kavli Foundation
· Kavli Scholars: up to $100,000/year for up to 2 years ($200,000 total). Science and Society Initiative: up to $15,000 (50% of costs).
15.06.
87d
Funding - Kavli Foundation
· The Kavli Foundation
· Varies by program: Kavli Scholars $100,000/year (up to 2 years); Science and Society up to $15,000; past programs ranged from $5,000 to $1.6M annually
15.06.
87d
Kavli Scholars - The Kavli Foundation
· The Kavli Foundation
· Up to $100,000 per year for six months to two years (maximum $200,000 total). Indirect costs up to 15% allowable.
15.06.
87d
July 2026
31.07.
133d
UEFA Foundation for Children – Annual Call for Projects
· UEFA Foundation for Children
· Amount not publicly specified; grants awarded annually to 60-70 projects worldwide
August 2026
28.08.
161d
Nessling Foundation - Doctoral Thesis Funding (Environmental)
· Maj and Tor Nessling Foundation
· EUR 30,000/year personal grant (EUR 2,500/month), max 4 years (EUR 120,000 total). Research costs may be applied in addition. Total pool: EUR 3,250,000 for general call 2026 (shared across all grant types).
September 2026
15.09.
179d
Ocean Exchange Collegiate Awards
· Ocean Exchange
· $10,000 USD non-dilutive prize per Collegiate Award winner. Multiple awards offered (in 2025: Ocean Exchange Collegiate Award + Guy Harvey Foundation Collegiate Award, each $10,000 USD).
Rolling / Open Deadlines
Rolling
New Plastics Economy Global Commitment - Ellen MacArthur Foundation
· Ellen MacArthur Foundation (with UN Environment Programme)
· 12-month enrollment window currently open (exact end date not specified)
Rolling
Ellen MacArthur Foundation Global Commitment on Plastics
· Ellen MacArthur Foundation
· 12-month sign-up window for Global Commitment 2030 (started 2025)
periodic
OceanHub Africa / Coca-Cola Foundation: Bold Ideas in Plastic Circularity
· OceanHub Africa in partnership with The Coca-Cola Foundation
· 15 February 2026 at 23:59 SAST (closed)
periodic
Prince Albert II of Monaco Foundation — Call for Projects
· Prince Albert II of Monaco Foundation
· 2025 call closed — 2026 call timing unknown
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.
Rolling
Schwab Foundation for Social Entrepreneurship
· Schwab Foundation for Social Entrepreneurship
· 2026 awards already announced; 2027 cycle TBD
periodic
Carlsberg Foundation - Marine Research Programs
· Carlsberg Foundation
· 2026 calls for academic consortia
periodic
H&M Foundation — Global Change Award 2027
· H&M Foundation
· 2026 cycle CLOSED (Oct 2025). Next cycle opens September 2026.
periodic
OceanHub Africa — Call for Bold Ideas in Plastic Circularity (Pan-African)
· OceanHub Africa & The Coca-Cola Foundation (TCCF)
· 2026 round: February 15, 2026 (CLOSED). 2027 round expected — monitor oceanhub.africa from Q4 2026.
periodic
Fondation SUEZ — Waste Management Grants
· Fondation SUEZ (corporate foundation of SUEZ Group)
· 30 April 2026 (next deadline) and 31 October annually
periodic
PADI AWARE Foundation Community Grant Program
· PADI AWARE Foundation
· Annual cycle. 2025 cycle: applications closed October 3, 2025. Next 2026 cycle expected to open September 2026.
Rolling
Swiss Re Foundation
· Swiss Re Foundation
· Annual open calls for Entrepreneurs for Resilience, Shine, and Charity of the Year are announced at different times each year with specific deadlines.
periodic
The Carlsberg Foundation Research Prizes | Carlsbergfondet.dk
· Annual prizes awarded in autumn; no application — by recommendation only
periodic
Fondation de France launches the Ocean 2025 programme
· Annual — Ocean 2025 programme runs annual project calls; next cycle expected 2026
periodic
Fondation de France launches its Ocean 2025 Initiative!
· Annual — Ocean 2025 programme runs annual project calls; next cycle expected 2026
periodic
Funders - DCNA - Dutch Caribbean Nature Alliance
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Postcode Loterij joins the European AI & Society Fund with €1million ...
· Annual — charities apply yearly; selection cycle typically December-January
periodic
Oceanic Society - Expedition Impact Program Conservation Grants
· Oceanic Society
· Annual, Spring deadline: February 1 (awards announced March 15); Fall deadline: August 1 (awards announced September 15). Rolling consideration for time-sensitive opportunities from active expedition partners.
periodic
Creative Destruction Lab (CDL) - Oceans Stream
· Creative Destruction Lab (CDL-Atlantic)
· Annual, applications open rolling with cohort starting September. Apply via creativedestructionlab.com/application-triage/
periodic
GreenWave - Kelp Climate Fund Grants for Ocean Farmers
· GreenWave
· Annual, applied seasonally before each farming season (typically fall/autumn)
periodic
Pew-Gerstner Fellowships in Ocean Plastics Research
· Annual, by nomination — 3 fellows to be selected over 2 years from 2025; no open application portal
periodic
Heinz Sielmann Foundation - Biodiversity Conservation
· Heinz Sielmann Stiftung
· Annual, four rounds: January 31, April 4, June 15, September 30
periodic
Allianz Foundation - Climate & Environment Grants
· Allianz Foundation
· Annual, typically February (2025 deadline was February 10, 2025)
periodic
The Polar Initiative - Fondation Prince Albert II de Monaco
· Annual, typically June — 2025 call closed 30 June 2025; 2026 call expected June 2026
periodic
Kone Foundation - Grants for Research and Arts (Herlin Family)
· Kone Foundation (Koneensaatio)
· Annual, typically September
periodic
Pew Fellows Program in Marine Conservation
· The Pew Charitable Trusts
· Annual, typically announced in March
periodic
Nessling Foundation - Science-Based Action Grants
· Maj and Tor Nessling Foundation
· Annual, typically late August (2026 call: 17–28 August 2026)
periodic
Mesoamerican Reef Fund (MAR Fund)
· MAR Fund (Mesoamerican Reef Fund)
· Annual, typically mid-year (18th RFP deadline was September 9, 2025)
periodic
Whitley Fund for Nature (Whitley Awards)
· Whitley Fund for Nature (WFN)
· Annual. 2026 applications now closed. Typically opens mid-year for following year awards ceremony in May.
periodic
KGJS – Stiftelsen Kristian Gerhard Jebsen
· Annual; last deadline 2025-05-08 (via stiftkgj.no)
periodic
The Foundation's activities and allocations in 2022
· Annual; last deadline 2025-05-08 (via stiftkgj.no)
periodic
Home
· Annual; last deadline 2025-05-08 for K.G. Jebsen Centres for Medical Research
periodic
TotalEnergies Foundation — 2026 Call
· TotalEnergies Foundation
· Applications open from 5 February 2026 — deadline not confirmed
Rolling
Wilhelmsen Foundation - Ocean Conservation
· Tom Wilhelmsen's Foundation (TWS)
· April 15 / October 15 (recurring twice yearly)
Rolling
Vancouver Aquarium Ocean.org - Ocean Action Grants
· Ocean Wise (ocean.org) / Canada Service Corps
· December 4, 2026 (final report deadline; applications accepted on rolling basis)
Rolling
Rolling
Plastic Solutions Fund
· Plastic Solutions Fund (Rockefeller Philanthropy Advisors)
· Invitation-only
Rolling
Global Seaweed Coalition: Homepage
· Global Seaweed Coalition (Lloyd's Register Foundation)
· January 20, 2024 (most recent call; new calls expected bi-annually)
Rolling
About us - Global Seaweed Coalition
· Global Seaweed Coalition (Safe Seaweed Coalition) / Lloyd's Register Foundation
· January 20, 2024 (most recent call; new rounds expected but not yet announced)
periodic
Save Our Seas Foundation - Funding Guidelines
· Save Our Seas Foundation (SOSF)
· Keystone Grants Stage I opens March-April 2026; Small Grants Stage I opens May 2026; applications are currently closed
periodic
The Incubation Network (SecondMuse & Circulate Capital)
· The Circulate Initiative and SecondMuse (with backing from Circulate Capital, U.S. State Department, Ocean Conservancy, and AEPW)
· Main three-year programme concluded March 2023. Country-specific accelerators ongoing; check incubationnetwork.com for current intake rounds
Rolling
How we work
· Stiftelsen Kristian Gerhard Jebsen (Kristian Gerhard Jebsen Foundation)
· May 8, 2025 at 12:00 noon (for 2025 medical research centres call)
Rolling
The Wallenberg Foundations - Stockholms universitet
· Knut and Alice Wallenberg Foundation (KAW)
· Multiple deadlines in 2026: April 26, October 5, October 15, November 16
periodic
Velux Fonden (VELUX Foundation): Ocean and Marine Environment Grants
· Velux Fonden (VELUX Foundation), Denmark
· No current open call — not currently accepting new project ideas
Rolling
Resilient Mediterranean Sea - Adessium Foundation
· Adessium Foundation
· No open call deadline — foundation works through strategic partnerships and invited grantees
Rolling
Rolling
Zennström Philanthropies
· Zennström Philanthropies
· No open call — invitation-only grantmaking; no published deadline
Rolling
TNC SOAR - Supporting Oyster Aquaculture and Restoration
· The Nature Conservancy (TNC) & The Pew Charitable Trusts
· Not specified — Purchase Program currently not accepting applications; Resiliency Fund operates on rolling submissions
periodic
Pew Marine Fellows Program
· The Pew Charitable Trusts
· Periodic (annual cycle, nomination-based; no open call)
periodic
BalticWaters Foundation - ReCod & Thriving Bays Projects
· BalticWaters Foundation
· Periodic — call announced on website when open; currently paused pending completion of ongoing funded projects
periodic
Katholischer Fonds - Foerderrichtlinien
· Katholischer Fonds
· Periodic — monthly for small projects (up to EUR 1,500 / total costs up to EUR 8,000), three times per year for large projects
periodic
StartBlue Ocean Enterprise Accelerator (VentureWell/Scripps)
· VentureWell / NOAA IOOS
· Periodic, Spring and Fall cohorts annually (Spring 2026 Stage 0 deadline: April 7, 2026)
periodic
Blue Action Fund Grant Programme
· Blue Action Fund
· Periodic, per Call for Proposals (currently no open or upcoming calls)
periodic
Schmidt Marine Technology Partners
· Schmidt Marine Technology Partners (Schmidt Family Foundation)
· Portal closed for 2025. Reopening early 2026 — check schmidtmarine.secure-platform.com
Rolling
Rolling
DBU General Project Funding - Environmental Protection
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling
Rolling
Rolling
Social Entrepreneurship and Inclusion - Stichting DOEN
· Stichting DOEN / VriendenLoterij Fonds
· Rolling (applications accepted year-round, minimum 4 months before project start)
Rolling
Gordon and Betty Moore Foundation - Environmental Conservation Program (Marine)
· Gordon and Betty Moore Foundation
· Rolling (invitation-only, inquiry-driven)
Rolling
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
Rolling
OceanHub Africa Acceleration Program - Blue Economy Startups
· OceanHub Africa
· Rolling admissions — Cohort 7 Intake 2 open as of March 2026
Rolling
About DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling applications accepted year-round, no fixed deadlines. Must submit at least 4 months before project start.
Rolling
Circular Entrepreneurship - Stichting DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling applications, at least 4 months before project start date
Rolling
Applications - Stichting DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling applications, processed within approximately 4 months
Rolling
Realdania — Built Environment and Circular Economy
· Realdania (Danish philanthropic association)
· Rolling applications; no set deadlines
Rolling
Rolling
Greenpeace Environmental Foundation (Umweltstiftung Greenpeace) - Marine Conservation Grants
· Umweltstiftung Greenpeace (Greenpeace Environmental Foundation)
· Rolling basis
Rolling
Baltic Sea Conservation Foundation (BaltCF)
· Baltic Sea Conservation Foundation (BaltCF)
· Rolling basis
Rolling
Stiftung Naturschutz Schleswig-Holstein - Land Conservation
· Stiftung Naturschutz Schleswig-Holstein
· Rolling basis
Rolling
Rolling
Rolling
Rolling
New England Aquarium - Marine Conservation Action Fund (MCAF)
· New England Aquarium - Marine Conservation Action Fund (MCAF)
· Rolling basis
Rolling
Schmidt Marine Technology Partners (Schmidt Family Foundation)
· Schmidt Marine Technology Partners (a program of the Schmidt Family Foundation)
· Rolling basis
Rolling
Tata Trusts Environmental Conservation and Waste Management
· Rolling basis
Rolling
Rolling
Laudes Foundation (formerly C&A Foundation) - Circular Fashion
· Rolling basis
Rolling
The Ocean Foundation Grantmaking
· The Ocean Foundation
· Rolling basis — Letters of Inquiry reviewed quarterly; open RFPs posted when available
Rolling
Criteria - Stichting DOEN
· Stichting DOEN
· Rolling basis — applications accepted year-round, must be submitted at least 4 months before project start
Rolling
Schmidt Marine Technology Partners Grantmaking
· Schmidt Marine Technology Partners (a programme of the Schmidt Family Foundation)
· Rolling basis — proposals can be submitted via the online portal at any time.
Rolling
Earthwatch Institute - Ocean Ecosystems Research Grants
· Earthwatch Institute
· Rolling basis, starting April 2026 for new projects beginning in 2028
Rolling
DOEN Foundation: Supporting Sustainable Projects in Netherlands
· DOEN Foundation (Stichting DOEN)
· Rolling basis, year-round applications accepted
Rolling
Ellen MacArthur Foundation — Plastics Pact Network
· Ellen MacArthur Foundation (not a grant funder — network facilitator)
· Rolling membership
Rolling
DBU Circular Economy Initiative (#DBUcirconomy)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling submissions
Rolling
Rolling
Grundfos Foundation — Community Engagement Grants
· Grundfos Foundation (Poul Due Jensens Fond)
· Rolling — 91 grants awarded in 2025 in 38 countries
Rolling
Fondation de la Mer: Page d'accueil
· Rolling — Fondation de la Mer accepts project partnership proposals on a rolling basis via online form
Rolling
Marine Nature Conservation Fund (Meeresnaturschutzfonds)
· Deutsche Bundesstiftung Umwelt (DBU)
· Rolling — applications accepted at any time
Rolling
DOEN Foundation
· DOEN Foundation (Stichting DOEN)
· Rolling — applications accepted year-round, but must be submitted at least 4 months before project start
Rolling
Home - Stichting DOEN
· Stichting DOEN (DOEN Foundation)
· Rolling — applications accepted year-round, no fixed deadlines
Rolling
A.P. Moller Foundation
· A.P. Moller Foundation (A. P. Moller og Hustru Chastine Mc-Kinney Mollers Fond)
· Rolling — applications processed throughout the year
Rolling
Oak Foundation - Environment Programme
· Oak Foundation (Geneva-based, Danish leadership)
· Rolling — no fixed deadline. Submit letter of enquiry anytime.
Rolling
What the new marine conservation fund wants to achieve
· Deutsche Bundesstiftung Umwelt (DBU) - German Federal Environmental Foundation
· Rolling — no fixed deadline; applications accepted continuously from 2025 onwards
Rolling
Aage V. Jensen Charity Foundation — Nature Conservation
· Aage V. Jensen Charity Foundation
· Rolling; no formal deadlines; submit expression of interest by email
Rolling
Patagonia — International Environmental Grants
· Patagonia Inc. (1% for the Planet commitment)
· Rolling; one proposal per group per fiscal year (May 1-April 30). Deadlines vary by programme.
periodic
Pew-Gerstner Fellowships for Ocean Plastic Pollution Research
· The Pew Charitable Trusts and Gerstner Philanthropies
· Rolling; three Pew-Gerstner Fellows to be selected over two years (2025-2026). First fellow announced 2026.
periodic
The Coca-Cola Foundation (TCCF) — Recycling Value Chains Grants
· The Coca-Cola Foundation (TCCF)
· UNDP Asia sub-grants: varies by country programme (mid-2026 expected). OceanHub Africa round closed Feb 15, 2026.
periodic
New solutions to marine problems
· Unknown; Wallenberg/MMW project page — application period March 1 to April 1, 2026 (annual)
Rolling
Circular Economy Accelerator (CEA) by Fetola
· Fetola (in partnership with Nedbank)
· Waiting list open (no fixed deadline for next cohort)
periodic
periodic
Second Muse - Social Innovation Accelerator
· SecondMuse (with clients including USAID, World Bank, Rockefeller Foundation, IKEA Foundation)
· periodic
Rolling
Rolling
Rolling
Global Fund for Community Foundations – Rolling Grants for Community Philanthropy
· Global Fund for Community Foundations (GFCF)
· rolling
Rolling
Plastic Solutions Fund (PSF)
· Plastic Solutions Fund (PSF) / Rockefeller Philanthropy Advisors
· unknown