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Masthead Sloop · Long keel w/trans. hung rudder · 1963–1966
The Diamond 27's molds were acquired by Offshore Yachts in 1966 and the boat was renamed the Halcyon 27.
Is it for you?
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.
The record
The complete reference set — tap any figure to switch between metric and imperial.
The family
Nearby designs by size, type, and era — worth a look alongside her.