# Ocean Tech Startups That Raised in 2026: Market Map of 56 Companies > The 56 ocean tech startups that raised money in 2026, mapped in 6 segments and ranked by this year's rounds: $3.0B between them. Updated nightly. Source: https://millionrounds.com/market-maps/ocean-tech-raised-2026-market-map (Millionrounds; every figure on the page links to its filing or article) ## Shipping and ports 27 - [Saronic](https://millionrounds.com/company/saronic) - [Quartermaster](https://millionrounds.com/company/quartermaster) - [Spire Global](https://millionrounds.com/company/spire-global) - [Optics11](https://millionrounds.com/company/optics11) - [Fleetzero](https://millionrounds.com/company/fleetzero) - [Vessev](https://millionrounds.com/company/vessev) - [Daphne Technology](https://millionrounds.com/company/daphne-technology) - [Andrenam](https://millionrounds.com/company/andrenam) - [ACUA Ocean](https://millionrounds.com/company/acua-ocean) - [RAD Propulsion](https://millionrounds.com/company/rad-propulsion) - [Bulwark Dynamics](https://millionrounds.com/company/bulwark-dynamics) - [Ofiniti](https://millionrounds.com/company/ofiniti) - [Online Oceans](https://millionrounds.com/company/online-oceans) - [Bubble Robotics](https://millionrounds.com/company/bubble-robotics) - [Zeabuz](https://millionrounds.com/company/zeabuz) - [Mirai Robotics](https://millionrounds.com/company/mirai-robotics) - [Cellbox Solutions](https://millionrounds.com/company/cellbox-solutions) - [Eccasion](https://millionrounds.com/company/eccasion) - [Radian Forge](https://millionrounds.com/company/radian-forge) - [SEAL Robotics](https://millionrounds.com/company/seal-robotics) - [Zydro Marine Technologies](https://millionrounds.com/company/zydro-marine-technologies) - [Upteko](https://millionrounds.com/company/upteko) - [Spot Ship](https://millionrounds.com/company/spot-ship) - [Gander Robotics](https://millionrounds.com/company/gander-robotics) +3 more ## Aquaculture and fisheries 9 - [LAXEY](https://millionrounds.com/company/laxey) - [TARGAN](https://millionrounds.com/company/targan) - [Biosort](https://millionrounds.com/company/biosort) - [AquaExchange](https://millionrounds.com/company/aquaexchange) - [Aquapulse](https://millionrounds.com/company/aquapulse) - [Nernst Electric](https://millionrounds.com/company/nernst-electric) - [Óir na Farraige](https://millionrounds.com/company/oir-na-farraige) - [Smolt](https://millionrounds.com/company/smolt) - [East Coast Innovation](https://millionrounds.com/company/east-coast-innovation) ## Seaweed and algae 6 - [Notpla](https://millionrounds.com/company/notpla) - [Aqua Theon](https://millionrounds.com/company/aqua-theon) - [Coast 4C](https://millionrounds.com/company/coast-4c) - [Soarce](https://millionrounds.com/company/soarce) - [ZeroCircle](https://millionrounds.com/company/zerocircle) - [SUNSHIKI](https://millionrounds.com/company/sunshiki) ## Ocean energy 6 - [Panthalassa](https://millionrounds.com/company/panthalassa) - [Atomarine](https://millionrounds.com/company/atomarine) - [Caudal Energy](https://millionrounds.com/company/caudal-energy) - [X1 Wind](https://millionrounds.com/company/x1-wind) - [Aikido Technologies](https://millionrounds.com/company/aikido-technologies) - [Xmoor](https://millionrounds.com/company/xmoor) ## Ocean data and robotics 4 - [Enshore](https://millionrounds.com/company/enshore) - [Apeiron labs](https://millionrounds.com/company/apeiron-labs) - [Deep Sea Rare Minerals](https://millionrounds.com/company/deep-sea-rare-minerals) - [cosma](https://millionrounds.com/company/cosma) ## Ocean carbon and restoration 4 - [Terraform Industries](https://millionrounds.com/company/terraform-industries) - [*P* Planetary](https://millionrounds.com/company/planetary) - [Gigablue](https://millionrounds.com/company/gigablue) - [Outer](https://millionrounds.com/company/outer) ## Segment by segment ### Shipping and ports 27 startups · $2.2B raised - [**Saronic**](https://millionrounds.com/company/saronic) Saronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness. United States $1.8B - [**Quartermaster**](https://millionrounds.com/company/quartermaster) Quartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness. United States $183M - [**Spire Global**](https://millionrounds.com/company/spire-global) Spire Global is a space to cloud data analytics company utilizing satellites to provide maritime, aviation, and weather tracking. United States $70M - [**Optics11**](https://millionrounds.com/company/optics11) Maritime Defense and Energy Solutions Netherlands $56M - [**Fleetzero**](https://millionrounds.com/company/fleetzero) Fleetzero is building battery electric cargo ships to affordably decarbonize ocean freight. United States $43M - [**Vessev**](https://millionrounds.com/company/vessev) Vessev is a sustainable marine technology startup based in Auckland, New Zealand, founded in 2017. New Zealand $19M - [**Daphne Technology**](https://millionrounds.com/company/daphne-technology) Daphne Technology is a Swiss climate deep-tech company founded in 2017, focused on reducing methane emissions and other pollutants Switzerland $19M - [**Andrenam**](https://millionrounds.com/company/andrenam) Andrenam is a defense and space manufacturing company based in Hawthorne, California, founded in 2024. United States $18M ### Aquaculture and fisheries 9 startups · $112M raised - [**LAXEY**](https://millionrounds.com/company/laxey) LAXEY specializes in sustainable land-based aquaculture and the development of fish farming facilities. Iceland $54M - [**TARGAN**](https://millionrounds.com/company/targan) TARGAN is a bio-systems company focused on improving animal health and productivity in the poultry, livestock, and aquaculture industries. United States $30M - [**Biosort**](https://millionrounds.com/company/biosort) BioSort is a Norwegian aquaculture technology company founded in 2010 and based in Fornebu, Norway. Norway $11M - [**AquaExchange**](https://millionrounds.com/company/aquaexchange) AquaExchange Agritech Private Limited is an innovative agritech and aquaculture technology startup based in Bhimavaram, Andhra Pra India $8.0M - [**Aquapulse**](https://millionrounds.com/company/aquapulse) Aquapulse, operating under Phoenix Marine Exports and Solution Private Limited, is an innovative aqua-tech company focused on tran India $4.7M - [**Nernst Electric**](https://millionrounds.com/company/nernst-electric) Nernst Electric is transforming how oxygen is produced and delivered to aquaculture and the industries that need it. Ireland $2.0M - [**Óir na Farraige**](https://millionrounds.com/company/oir-na-farraige) ÓNF is a pioneering seaweed aquaculture venture. Ireland $1.8M - [**Smolt**](https://millionrounds.com/company/smolt) Smolt is a startup that performs its own recycling type aquaculture of Sakura Mouth. Japan $1.3M ### Seaweed and algae 6 startups · $45M raised - [**Notpla**](https://millionrounds.com/company/notpla) Notpla is a London-based sustainable packaging startup founded in 2014 by Rodrigo García González and Pierre Paslier. United Kingdom $27M - [**Aqua Theon**](https://millionrounds.com/company/aqua-theon) Aqua Theon Inc. United States $13M - [**Coast 4C**](https://millionrounds.com/company/coast-4c) Coast 4C is revolutionizing sustainable seaweed supply. Philippines $2.5M - [**Soarce**](https://millionrounds.com/company/soarce) Soarce synergizes seaweed and nanotechnology to produce high performing, protective, and low-carbon fabrics and leathers. United States $2.0M - [**ZeroCircle**](https://millionrounds.com/company/zerocircle) Zerocircle is a Pune-based cleantech and biotechnology startup founded in 2020. India $546K - [**SUNSHIKI**](https://millionrounds.com/company/sunshiki) We are a seaweed innovation company. Japan $501K ### Ocean energy 6 startups · $398M raised - [**Panthalassa**](https://millionrounds.com/company/panthalassa) Panthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016. United States $365M - [**Atomarine**](https://millionrounds.com/company/atomarine) Atomarine builds floating, modular offshore data center barges cooled by seawater and powered by standalone vessels to bypass land grids. United States $20M - [**Caudal Energy**](https://millionrounds.com/company/caudal-energy) Caudal Energy is a UK-based renewable energy startup and an Oxford University spinout, founded in 2024. United Kingdom $5.8M - [**X1 Wind**](https://millionrounds.com/company/x1-wind) X1 Wind is a floating offshore wind technology developer based in Barcelona, Spain, founded in 2017. Spain $5.1M - [**Aikido Technologies**](https://millionrounds.com/company/aikido-technologies) Aikido Technologies is a San Francisco-based startup founded in 2022 that specializes in developing self-erecting floating offshor United States $1.7M - [**Xmoor**](https://millionrounds.com/company/xmoor) Xmoor specializes in machine learning-powered tools for rapid dynamic analysis of floating offshore structures. United Kingdom $533K ### Ocean data and robotics 4 startups · $155M raised - [**Enshore**](https://millionrounds.com/company/enshore) Enshore is a UK based subsea trenching company, providing seabed intervention services to mega-projects across industry around the world. United Kingdom $138M - [**Apeiron labs**](https://millionrounds.com/company/apeiron-labs) Apeiron Labs is a company based in Cambridge, Massachusetts, founded in 2022. United States $9.5M - [**Deep Sea Rare Minerals**](https://millionrounds.com/company/deep-sea-rare-minerals) Deep Sea Rare Minerals is a mineral exploration company that develops subsea mineral resources. United States $5.0M - [**cosma**](https://millionrounds.com/company/cosma) Cosma is a French deeptech startup founded in February 2022, specializing in the inventory and monitoring of benthic ecosystems us France $2.4M ### Ocean carbon and restoration 4 startups · $86M raised - [**Terraform Industries**](https://millionrounds.com/company/terraform-industries) Terraform Industries is a bet on cheap solar, synthetic hydrocarbon supremacy, and hyperscale. United States $38M - [*P* **Planetary**](https://millionrounds.com/company/planetary) Planetary develops ocean-based carbon removal technology to accelerate the natural carbon cycle. Switzerland $21M - [**Gigablue**](https://millionrounds.com/company/gigablue) Gigablue is a marine carbon dioxide removal (mCDR) company based in New York, NY, founded in 2022. United States $20M - [**Outer**](https://millionrounds.com/company/outer) Outer is a Santa Monica-based outdoor furniture brand founded in 2017. United States $8.0M **How this map is made.** Every startup here has raised money in rounds we track, and raised in 2026. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in ocean tech, and goes to the first segment whose words it carries. Each segment shows its biggest raisers this year first. Rebuilt nightly; updated 15 November 2026. ## More market maps [All maps](https://millionrounds.com/market-maps) [Market map **Ocean tech market map** 331 startups · 6 segments · $8.5B](https://millionrounds.com/market-maps/ocean-tech-market-map)[New wave **New ocean tech startups, founded 2020 on** 105 startups · 6 segments · $3.9B](https://millionrounds.com/market-maps/new-ocean-tech-startups-market-map)[Investors map **Who invests in ocean tech** 95 investors · 5 segments](https://millionrounds.com/market-maps/ocean-tech-investors-map)[Market map · Europe **Ocean tech market map: Europe** 167 startups · 6 segments · $2.4B](https://millionrounds.com/market-maps/ocean-tech-europe-market-map)[Market map · United States **Ocean tech market map: United States** 89 startups · 6 segments · $4.0B](https://millionrounds.com/market-maps/ocean-tech-united-states-market-map)[Market map · United Kingdom **Ocean tech market map: United Kingdom** 55 startups · 6 segments · $830M](https://millionrounds.com/market-maps/ocean-tech-united-kingdom-market-map) ## Who backs ocean tech? Open any company for its rounds and investors, or search the investors behind these startups in the app, with filters, lists and exports. [Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[Top lists](https://millionrounds.com/top-lists)