Sea Baby is a Ukrainian multi role unmanned surface vessel linked to SBU operations in the Black Sea. The platform began as a strike craft but later appears in open reporting as a modular system with multiple weapon configurations and mission profiles.
Development and evolution
- Early prototypes are described from 2022, with operational use from 2023.
- Reporting across 2023 to 2025 describes a shift from pure strike variants to heavier, more capable configurations.
- Late 2025 mentions a new generation with increased range, payload, engines and navigation.
Specifications by generation
Early or baseline versions most often cited in 2023 and 2024 are described as around 1,000 km range, roughly 90 km per hour speed and up to 850 kg payload.
For the late 2025 new generation, open reporting mentions range above 1,500 km and payload up to 2,000 kg, with upgraded propulsion and navigation.
These sets of numbers refer to different generations and configurations, not a single fixed model.
Weapon configurations
- Gyro stabilized machine gun module.
- Ten tube launcher based on Grad rockets.
- Earlier mentions of rocket based armament such as RPV 16.
Operational episodes in open reporting
- July 17, 2023: attack on the Crimean Bridge is widely attributed in Ukrainian reporting to Sea Baby.
- 2023: series of claimed strikes and damage to Black Sea Fleet assets.
- May 2024: reports of a Grad launcher variant used near the Kinburn Spit.
- June 2024: reports of remote mining operations using Sea Baby, with many details second hand.
- December 5 to 6, 2024: Kerch Bay episode involving Sea Baby and counter interception.
- June 3, 2025: SBU stated a new generation Sea Baby took part in the third strike on the Crimean Bridge.
- November to December 2025: reports of attacks on shadow fleet tankers.
- December 15, 2025: SBU stated Sub Sea Baby struck a Kilo class submarine in Novorossiysk; damage is disputed and hard to verify independently.
Funding and unit cost
In February 2024, the UNITED24 and monobank campaign reported 297.5 million UAH raised for 35 units. A unit cost of about 8.5 million UAH was widely cited for that period. For the 2025 new generation, there is no consistent public unit price.
Strategic effect and caveats
Open coverage across 2024 and 2025 consistently frames Sea Baby and related naval drones as a factor that changed Black Sea tactics and constrained Russian naval activity. At the same time, specific ship counts, final outcomes of particular episodes and some technical figures should be treated as claims rather than fully verified facts.
Sea Baby should be viewed as a family of modular platforms, not a single fixed spec drone. That modularity and sustained operational use explain why it became one of the most visible cases of modern naval drone warfare in the Black Sea.
