2026 Neptunus 650S

The 2026 Neptunus 650S is a 66-foot composite motor yacht with a contemporary profile and refined interior aesthetic. Powered by twin CAT diesel engines producing 2,272 horsepower, the boat reaches speeds of 31 knots and cruises at 26 knots. The design balances performance with practical handling, offering stability underway and at anchor through full stabilization systems.

The yacht accommodates four cabins and four heads, with an interior emphasizing clean lines and elegant finishes. An integrated solar panel system paired with lithium battery power enables quiet operation when needed. The beam of nearly 17 feet provides generous interior volume within the compact length, supporting both comfort and maneuverability in confined waters.

This yacht is currently under construction.