Castle 550 Sailboats for Sale & Market Overview

Make
Castle
Model
550
Builder
Yachtworks
Designer
Steven Douglas
Number Built
120
Production Year(s)
1980 - 1995

The Castle 550 is a seminal Australian trailer sailer that redefined the expectations of performance and portability in the 18-foot class. Designed by Bill Castle in the late 1970s, this compact cruiser-racer was engineered specifically to meet the demands of the Australian trailering community, offering a blend of competitive speed and basic overnight accommodation. Despite its modest length of 5.5 meters, the "550" earned a reputation as a "pocket rocket" due to its lightweight fiberglass construction and an efficient hull form that allows it to plane in moderate breezes. It remains a staple of the Australian trailer yacht scene, favored by sailors who prioritize ease of rigging and spirited performance over voluminous interiors.

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