Optimist Dinghy Sailboats for Sale

Drawing Diagram

Builder drawing

Hull Type

Monohull · daggerboard

Rig

Lug Rig

LOA

7.67' · 2.34 m

Disp.

77 lbs · 35 kg

First year

1947

The International Optimist Dinghy stands as the most significant foundational vessel in the history of competitive sailing, serving as the global standard for youth training. Designed in 1947 by Clark Mills in Clearwater, Florida, the boat was originally conceived as a lowcost "soapbox derby" on water, constructed from two sheets of plywood. While the modern international fleet has largely transitioned to fiberglass (GRP) construction, the SIBMA Navale Italiana shipyard remains one of the few repositories of the craft’s original wooden spirit. Under the guidance of Ernesto Quaranta, SIBMA refined the plywood chine construction that defines the Optimist's boxy, "pram" hull. SIBMA's EM7 model serves as a direct technical relative in their lineage of small, highquality plywood trainers, bridging the gap between a pure onedesign racer and the shipyard's artisanal wooden heritage.