Market map · United States

Ocean tech market map: United States

89 ocean tech startups based in the United States that have raised money in rounds we track, placed in 6 segments by what each says it does. Together they have raised $4.0B; the biggest segment is shipping and ports.

89startups on the map
6segments
$4.0Braised between them
Shipping and portsmost funded segment

Segment by segment

Shipping and ports

39 startups · $3.0B raised

  1. SaronicSaronic designs and manufactures unmanned surface vehicles for maritime security and domain awareness.United States$2.4B
  2. QuartermasterQuartermaster is a maritime technology company focused on enhancing real-time maritime domain awareness.United States$183M
  3. Spire GlobalSpire Global is a space to cloud data analytics company utilizing satellites to provide maritime, aviation, and weather tracking.United States$110M
  4. Fan PierLocated only steps away from downtown Boston, the Fan Pier offers luxury condominiums and premium office space with stunning viewsUnited States$50M
  5. FleetzeroFleetzero is building battery electric cargo ships to affordably decarbonize ocean freight.United States$43M
  6. INTTRAINTTRA is the ocean shipping e-commerce network.United States$40M
  7. Nautilus LabsNautilus Labs is a maritime technology company founded in 2016, focused on enhancing the efficiency of shipping through its AI-powUnited States$34M
  8. AndrenamAndrenam is a defense and space manufacturing company based in Hawthorne, California, founded in 2024.United States$28M

Aquaculture and fisheries

14 startups · $209M raised

  1. Solix BioSystems, Inc.Solix focuses on the development and production of algal products for human nutritional supplements, foods, beverages and aquaculture.United States$69M
  2. TARGANTARGAN is a bio-systems company focused on improving animal health and productivity in the poultry, livestock, and aquaculture industries.United States$65M
  3. RLRarin LLCfarmingUnited States$42M
  4. NovoNutrientsNovoNutrients is working to turn waste CO2 into high-value, low-cost proteins and oils for aquaculture and beyond.United States$18M
  5. Blue Ocean GearBlue Ocean Gear is a California-based technology startup founded in 2015, focused on developing intelligent tracking solutions forUnited States$4.2M
  6. Osmo SystemsWe help fish and shrimp farmers start monitoring their water quality online.United States$2.9M
  7. KnipBioKnipBio is a biotechnology company that develops responsible and sustainable commercial feed solutions for the aquaculture industry.United States$1.6M
  8. Sustineri PiscisSustineri Piscis is a Brazilian foodtech startup founded in 2020, based in Petrópolis, Rio de Janeiro.United States$1.6M

Ocean data and robotics

13 startups · $149M raised

  1. Liquid RoboticsLiquid Robotics designs and manufactures the Wave Glider, the first wave and solar powered unmanned ocean robot.United States$82M
  2. Bedrock Ocean ExplorationBedrock Ocean Exploration, PBC, is a technology company based in Richmond, California, focused on advancing ocean exploration throUnited States$25M
  3. TerradepthTerradepth is a U.S.-based ocean data and subsea intelligence company founded in 2018 by Navy SEALs and ocean technologists.United States$16M
  4. Apeiron labsApeiron Labs is a company based in Cambridge, Massachusetts, founded in 2022.United States$9.5M
  5. Deep Sea Rare MineralsDeep Sea Rare Minerals is a mineral exploration company that develops subsea mineral resources.United States$5.0M
  6. Ocean AeroOcean Aero develops underwater vehicles and monitoring systems.United States$4.0M
  7. Orpheus OceanOrpheus Ocean focuses on revolutionizing deep ocean exploration with scalable, autonomous robots for research and resource management.United States$2.8M
  8. Jaia RoboticsJaia Robotics is a provider and developer of microsized autonomous and subsurface marine vehicles.United States$1.8M

Seaweed and algae

11 startups · $80M raised

  1. SwaySway Innovation Co., also known as Sway, is a California-based cleantech and materials company focused on developing sustainable pUnited States$25M
  2. Blue Ocean BarnsBlue Ocean Barns is an agricultural technology company based in Kailua-Kona, Hawaii, founded in 2019.United States$20M
  3. Aqua TheonAqua Theon Inc.United States$13M
  4. PPhloronolPhloronol, a biotechnology company, explicates anti-oxidant metabolic benefits of polyphenols/phlorotannins, extracted from marine algae.United States$8.3M
  5. SymbrosiaSymbrosia is a cleantech and biotechnology startup based in Kailua-Kona, Hawaii, founded in 2018.United States$5.8M
  6. Macro OceansMacro Oceans is focused on building a kelp economy to support a low carbon future.United States$2.5M
  7. North Sea FarmersNorth Sea Farmers is the European Seaweed Association.United States$2.3M
  8. Umaro FoodsUmaro Foods specializes in developing a plant-based protein source from ocean-farmed seaweed.United States$2.0M

Ocean energy

7 startups · $443M raised

  1. PanthalassaPanthalassa is a public-benefit corporation based in Portland, Oregon, founded in 2016.United States$365M
  2. Clean Energy TerminalsClean Energy Terminals supports port infrastructure for offshore wind, boosting local opportunities.United States$50M
  3. AtomarineAtomarine builds floating, modular offshore data center barges cooled by seawater and powered by standalone vessels to bypass land grids.United States$20M
  4. Aikido TechnologiesAikido Technologies is a San Francisco-based startup founded in 2022 that specializes in developing self-erecting floating offshorUnited States$5.7M
  5. Principle PowerPrinciple Power is a global leader in floating offshore wind technology, founded in 2007 and based in Emeryville, California.United States$2.3M
  6. T-Omega WindT-Omega Wind radically redesigns offshore wind turbinesUnited States$256K
  7. Laminar ScientificLaminar Scientific is an American Ocean Energy company that has developed several inventions and improvements in the field of oceaUnited States$120K

Ocean carbon and restoration

5 startups · $98M raised

  1. Terraform IndustriesTerraform Industries is a bet on cheap solar, synthetic hydrocarbon supremacy, and hyperscale.United States$44M
  2. GigablueGigablue is a marine carbon dioxide removal (mCDR) company based in New York, NY, founded in 2022.United States$20M
  3. OcergyOcergy is a technology company based in Oakland, California, focused on sustainable offshore solutions that combine green energy gUnited States$14M
  4. EquaticEquatic uses a seawater electrolysis process that enhances the ocean's capacity to absorb and store large quantities of carbon dioxide.United States$12M
  5. OuterOuter 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 is based in United States. 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 best-funded first. Rebuilt nightly; updated 15 November 2026.

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