Seasats

Seasats builds autonomous surface vessels for ocean intelligence, defence, survey and scientific missions. Its Lightfish platform is a long-endurance solar-electric ASV designed for months-long operations, modular payloads and remote ocean data collection.

Facts

Segment: Defense Robotics
Country: United States
Founded: 2020
Website: https://www.seasats.com/

Market context

Seasats matters as a defense-focused maritime robotics company using smaller USVs for persistent coverage rather than large traditional naval platforms.

Saildrone - comparable profile - peer: Maritime Surface Autonomy Builder
Saronic - comparable profile - peer: Maritime Surface Autonomy Builder
Jaia Robotics - comparable profile - peer: Ocean Data Robotics

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Products

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Funding

2026-02-17 - Series A - $20M - Seasats raises $20M Series A to scale production of small uncrewed surface vehicles - source: prnewswire.com
2025-02-05 - Venture round - $10M - Seasats secures $10M funding round amid rising demand for autonomous vessels - source: axios.com

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Investors

Shield Capital - Lead - VC - 2 funding events - repeat backer - first seen 2025-02-05 - latest 2026-02-17
Techstars - Participant - Unknown - 2 funding events - repeat backer - first seen 2025-02-05 - latest 2026-02-17
Aero X Ventures - Participant - VC - 1 funding event - first seen 2025-02-05

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2 commercial events; 2 contract awards; 1 named customer; $113M disclosed obligated value; latest event 2026-01-15

2026-01-15 - Contract award - Seasats awarded $24M APFIT funding to accelerate fielding of autonomous surface vessels - Autonomous surface vessel fielding (Navy / Marine Corps backed) - $24M obligated - source…
2025-10-07 - Contract award - Seasats awarded $89M U.S. Navy SBIR Phase 3 IDIQ contract - U.S. Navy - Navy / Marine Corps autonomous maritime demand - $89M obligated - source: prnewswire.com

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Timeline

2026-05-27 - Capability - Seasats Lightfish completes autonomous Taiwan Strait transit - Seasats said its Lightfish uncrewed surface vessel completed the first autonomous transit of the Taiwan Strait. The vessel crossed the full length of the strait over five days while monitoring vessel traffic and capturing imagery of Chinese naval vessels.… - source: marinelog.com
2026-03-17 - Demonstration - Seasats Quickfish USV completes continuous eight-day sea trial - Seasats announced the successful completion of an eight-day continuous sea trial for Quickfish. The test emphasized the platform's mix of 35+ knot sprint speed, multi-week designed endurance, and modular mission configuration. The update strengthened the… - source: prnewswire.com
2026-03-03 - Partnership - RS Aqua and Seasats announce strategic partnership for the UK and Ireland defence market - RS Aqua announced a strategic partnership with Seasats to bring the company's autonomous surface vessels to the UK and Ireland defence market. The arrangement covered representation and support for the Seasats portfolio, with Lightfish and Quickfish… - source: marinetechnologynews.com

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Team

Mike Flanigan - Co-founder and Chief Executive Officer

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Relations

Elysium EPL - Distribution Partner - Seasats has a public distribution partnership with Elysium EPL.
U.S. Department of War - Apfit Fielding Award Authority - Seasats received a $24 million APFIT award to accelerate procurement, production, and scaling of autonomous surface vessels.
U.S. Navy / Marine Corps - Commercial Order - Seasats received an $89 million SBIR Phase III IDIQ contract tied to Navy and Marine Corps demand for autonomous maritime systems.

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Deployments

Award Value Usd - US$24 million APFIT award - 2026-01-15 - U.S. Department of War - autonomous surface vessel fielding - Seasats received a $24 million APFIT award to accelerate procurement, production, and scaling of its autonomous surface vessels, including Lightfish-led… - source: prnewswire.com
Contract Ceiling - US$89 million IDIQ - 2025-10-07 - U.S. Navy / Marine Corps - autonomous maritime systems procurement - Seasats was awarded an $89 million SBIR Phase III IDIQ contract tied to Navy and Marine Corps demand for autonomous maritime systems. - source posture… - source: prnewswire.com

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