BoatsNacra Inter 18

Nacra Inter 18

Catamaran, twin daggerboards · Frac. Sloop (Rotating Spar) · 1995–2005

A Morrelli and Melvin catamaran built to the International 18 rule, distinct from the later Formula 18 class

Designed by Morrelli & Melvin, built by Performance Catamarans.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Dbrd.

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LightHeavy

30 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 30
EasygoingPowered-up

65.2 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 65.2
  • Draws more than ~96% of boats her size on file

Compared with 147 boats of the same type within a quarter of her length.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Frac. Sloop (Rotating Spar)
Ratios
SA / displacement
65.2
Displacement / length
29.9
Hull
Hull type
Catamaran Twin Dbrd.
Construction
FG w/poly foam
Production
Years built
1995–2005
Designer
Morrelli, Melvin
Builder
Performance Catamarans, NACRA Catamarans

Boats like this, on the water

Nobody has filmed this one — but these are close.

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Hobie Getaway5.05 mSame hull family0.5 m shorterA 17-foot rotomolded catamaran featuring a high sail-area-to-displacement ratio and a trapeze for spirited daysailing
Hobie FX One5.18 mSame hull family0.3 m shorterA 5.18-meter single-handed catamaran featuring a rotating fractional rig and an exceptional 56.56 sail area-to-displacement ratio
Hobie 165.05 mSame hull family0.5 m shorterThe most popular sailing catamaran ever built, featuring a rotating spar and boardless hull for high-speed beach sailing
Supercat 154.65 mSame hull family0.9 m shorterA high-performance beach catamaran with a rotating spar and an exceptional sail-area-to-displacement ratio

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Keep looking

Nothing filmed of this one yet

Two ways to keep looking — both search what the fleet has actually recorded.

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