KOSHI Performance boats.
A focused presentation of the KOSHI 51GT, KOSHI 51, Interstellar 32, and Interstellar 31. Clean design, carbon-led thinking, and performance without unnecessary noise.
The KOSHI models
KOSHI 51GT
The flagship GT model for buyers who want speed, comfort, carbon construction, and a stronger visual presence on the water.
KOSHI 51
The original 51 platform, shaped around lightweight construction, open-water confidence, and a performance feel that stays usable.
INTERSTELLAR 32
A smaller KOSHI model for owners who want a fast, direct, and easy-to-handle boat for day runs and coastal use.
INTERSTELLAR 31
A versatile offshore day boat concept with more deck space, owner-led details, and the same clean KOSHI performance direction.
Specify your model
Send the model you are interested in and the team can follow up with specifications, availability, and configuration options.