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
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3 fixed deadlines, 8 rolling/open

March 2026

31.03. 11d left
Hatch Blue AquaScale BIM Innovation Studio+ · Hatch Blue / Bord Iascaigh Mhara (BIM) · No cost and no equity taken. No direct financial investment provided; access to Hatch Blue investment network available post-program.
For Startups Impact Investor Accelerator Technical Assistance Aquaculture Blue Economy

April 2026

17.04. 28d left
OceanHub Africa Acceleration Program · OceanHub Africa · Interest-free loans of up to $30,000 USD via Blue Loop Fund (select Phase 2 participants only); additional in-kind support includes up to $75k AWS credits and up to $50k in legal/business advisory services.
For Startups Impact Investor Accelerator Loan / Concessional Finance Technical Assistance Africa Aquaculture Blue Economy Circular Economy Climate Fisheries Marine Conservation Plastic Waste Pollution
25.04. 36d
Katapult Africa Accelerator 2026 · Katapult Africa · Capital support up to $500,000, combined with mentorship and network access
For Startups Impact Investor Accelerator Investment Africa Blue Economy Circular Economy Climate Plastic Waste Waste Management

Rolling / Open Deadlines

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
For Startups Corporate Foundation Impact Investor Multilateral Accelerator Grant Technical Assistance India Southeast Asia Circular Economy Plastic Waste Recycling & Upcycling Waste Management
Rolling
Impact Fund Denmark - Green Energy and Infrastructure Sector · Impact Fund Denmark (IFU) · Rolling
For Startups Government Impact Investor Blended Finance Investment Loan / Concessional Finance Africa Global India Southeast Asia Blue Economy Circular Economy Climate Waste Management
Rolling
Closed Loop Partners - Circular Plastics Strategy · Closed Loop Partners · Rolling
For NGOs Impact Investor Investment Loan / Concessional Finance Circular Economy Plastic Waste Recycling & Upcycling Waste Management
Rolling
Katapult Ocean Accelerator · Katapult VC · Rolling basis
For Startups Impact Investor Accelerator Investment Global Nordic / Denmark Aquaculture Blue Economy Circular Economy Marine Conservation Plastic Waste
Rolling
Sustainable Ocean Alliance (SOA) Accelerator · Sustainable Ocean Alliance (SOA) · Rolling basis
For Startups Impact Investor Accelerator Investment Global Aquaculture Blue Economy Circular Economy Climate Marine Conservation Plastic Waste
Rolling
Katapult Ocean Tech Accelerator · Katapult VC (Katapult Ocean) · Rolling basis
For Startups Impact Investor Accelerator Investment Global Nordic / Denmark Aquaculture Blue Economy Circular Economy Climate Fisheries Marine Conservation
Rolling
Danish Climate Investment Fund (DCIF) - Impact Fund Denmark · Rolling basis
For Startups Government Impact Investor Blended Finance Investment Africa Global India Southeast Asia Blue Economy Climate Waste Management
Rolling
TNC NatureVest Ocean Protection · The Nature Conservancy (TNC) — NatureVest · Rolling — NatureVest operates on a deal-by-deal basis, not via open calls
Impact Investor Blended Finance Investment Global Aquaculture Blue Economy Fisheries Marine Conservation