Geo map · Market

Where ocean tech startups are based

331 ocean tech startups worldwide have raised money in rounds we track, $8.5B between them. 291 of them are placed on the map by their city; London leads with 16, then San Francisco with 7.

331startups
160+cities on the map
$8.5Braised between them
Londonleading city (16)
West Sacramento: 1 startupsSunshine Coast: 1 startupsEspoo: 1 startupsNyon: 1 startupsKailua-Kona: 1 startupsHarpenden: 1 startupsOban: 1 startupsHaugesund: 1 startupsRabat: 1 startupsDartmouth: 1 startupsGrimstad: 1 startupsFlorianopolis: 1 startupsPhiladelphia: 1 startupsWest End: 1 startupsSaint Andrews: 1 startupsGaerwen: 1 startupsJohannesburg: 1 startupsViña Del Mar: 1 startupsRiverhead: 1 startupsFreeport: 1 startupsBangkok: 1 startupsSan Juan: 1 startupsMiyazaki: 1 startupsBatemans Bay: 1 startupsBrazil: 1 startupsGijón: 1 startupsBridge Of Weir: 1 startupsNewtonville: 1 startupsSaint-Herblain: 1 startupsGalway: 1 startupsBray: 1 startupsValbonne: 1 startupsGothenburg: 1 startupsVienna: 1 startupsToronto: 1 startupsSidney: 1 startupsSausalito: 1 startupsBhubaneshwar: 1 startupsKyoto: 1 startupsSleman: 1 startupsPaisley: 1 startupsBhimavaram: 1 startupsFredrikstad: 1 startupsSortland: 1 startupsAlesund: 1 startupsUtrecht: 1 startupsCantanhede: 1 startupsSunnyvale: 1 startupsNazare: 1 startupsCampbell River: 1 startupsNairobi: 1 startupsQuebec: 1 startupsPalm Beach: 1 startupsSaeffle: 1 startupsMorrisville: 1 startupsFort Collins: 1 startupsVestmannaeyjar: 1 startupsHelsinki: 1 startupsPerth: 1 startupsSouthampton: 1 startupsMumbai: 1 startupsRome: 1 startupsKiel: 1 startupsSaint Petersburg: 1 startupsKifissia: 1 startupsDelft: 1 startupsArzachena: 1 startupsArvika: 1 startupsLa Trinite-sur-Mer: 1 startupsLeesport: 1 startupsMouvaux: 1 startupsGhent: 1 startupsAalborg: 1 startupsEverett: 1 startupsDevizes: 1 startupsRotterdam: 1 startupsKista: 1 startupsBremgarten: 1 startupsAarhus: 1 startupsHouston: 1 startupsBurlington: 1 startupsSaanich: 1 startupsWaterloo: 1 startupsBergen: 1 startupsGarching Bei München: 1 startupsPortsmouth, United States: 1 startupsVannes: 1 startupsLagord: 1 startupsXiamen: 1 startupsBirkenhead: 1 startupsSwansea: 1 startupsSlovenska Bistrica: 1 startupsGauting: 1 startupsCologne: 1 startupsCaen: 1 startupsHelsingfors: 1 startupsBari: 1 startupsBrest: 1 startupsNewcastle upon Tyne: 1 startupsBaltimore: 1 startupsPenryn: 1 startupsChristchurch: 1 startupsCharlottesville: 1 startupsAthens: 1 startupsWest Menlo Park: 1 startupsPalo Alto: 1 startupsMarseille: 1 startupsMatawan: 1 startupsVincennes: 1 startupsPlymouth: 1 startupsSandefjord: 1 startupsEcublens: 1 startupsPalm Beach Gardens: 1 startupsHawthorne: 1 startupsStockholm: 1 startupsParsippany: 1 startupsAuburn: 1 startupsShenzhen: 1 startupsDubai: 1 startupsRennes: 1 startupsBusan: 1 startupsArlington: 1 startupsAustin: 1 startupsBengaluru: 2 startupsTorrance: 2 startupsAtlanta: 2 startupsPortland: 2 startupsOakland: 2 startupsJakarta: 2 startupsChennai: 2 startupsNice: 2 startupsNewton: 2 startupsLysaker: 2 startupsAntwerp: 2 startupsZurich: 2 startupsNantes: 2 startupsSanta Monica: 2 startupsLos Angeles: 2 startupsVancouver: 2 startupsWellington: 2 startupsStavanger: 3 startupsSan Diego: 3 startupsAberdeen: 3 startupsBerlin: 3 startupsTrondheim: 3 startupsSeattle: 3 startupsHalifax: 3 startupsNew York: 3 startupsBristol: 4 startupsCambridge: 4 startupsBarcelona: 4 startupsParis: 4 startupsAuckland: 4 startupsBoston: 4 startupsOslo: 4 startupsAmsterdam: 5 startupsSingapore: 6 startupsEdinburgh: 6 startupsSan Francisco: 7 startupsLondon: 16 startupsLondonSan FranciscoSingaporeOsloBostonAucklandBarcelonaSeattle

Each circle is a city, sized by how many startups are based there. Countries are shaded by their count.

Leading cities

  1. London16$237M
  2. San Francisco7$149M
  3. Edinburgh6$214M
  4. Singapore6$39M
  5. Amsterdam5$82M
  6. Oslo4$195M
  7. Boston4$64M
  8. Auckland4$25M
  9. Paris4$33M
  10. Barcelona4$17M
  11. Cambridge4$30M
  12. Bristol4$26M
  13. New York3$58M
  14. Halifax3$18M
  15. Seattle3$7.3M

By country

  1. United States89$4.0B
  2. United Kingdom56$833M
  3. Norway23$352M
  4. France22$197M
  5. Canada15$109M
  6. Netherlands10$131M
  7. India8$45M
  8. Spain7$65M
  9. Sweden7$152M
  10. New Zealand7$41M
  11. Germany7$23M
  12. South Korea6$201M

Best-funded

  1. SaronicUnited States · $2.4B
  2. Fremantle SeaweedAustralia · $1.4B
  3. PanthalassaUnited States · $365M
  4. FinnforelFinland · $260M
  5. Pentland Floating Offshore Wind FarmUnited Kingdom · $196M
  6. QuartermasterUnited States · $183M
  7. FINESouth Korea · $175M
  8. EnshoreUnited Kingdom · $138M
  9. XoceanIreland · $118M
  10. Spire GlobalUnited States · $110M
  11. XenetaNorway · $101M
  12. UnseenlabsFrance · $92M

How this map is made. Every startup here has raised money in rounds we track. Each is placed at the city we hold for it, matched to that city's position in GeoNames (cities of 15,000 people or more; geonames.org, CC BY 4.0); startups without a city on record count in the totals but not on the map. Rebuilt nightly; updated 15 November 2026.

More geo maps

All geo maps

Raising where these startups are?

Find the investors who back startups in these cities, with their cheques, rounds and partners, in the app with filters, lists and exports.