Jonmeri Yachts 40
Masthead Sloop · Fin w/spade rudder · First built 1981
A performance-oriented masthead sloop featuring a refined keel and rudder configuration by Karl-Johan Strahlmann
Designed by Jorma Nyman & Karl-Johan Strahlmann.
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
A balanced, easily-driven cruiser — comfortable and forgiving for coastal work.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Boats like this, on the water
Nobody has filmed this one — but these are close.
Comparable boats the fleet has actually sailed on camera: same type, within a quarter of her length. Open the boat, or watch the video.
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O’Day 40 - A Budget Cruiser for the Bahamas
The family
Boats like this
Nearby designs by size, type, and era — worth a look alongside her.
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