Nauticat 37 Sailboat Review, Specs, and Listings

Kaj Gustafsson·2002 – 2018·Nauticat - Siltala Yachts
Approximate drawing

Hover a measurement to read its value

Hull Type
Monohull · fin
Rig
Masthead Sloop
LOA
36.84' · 11.23 m
Disp.
20,944 lbs · 9,500 kg
First year
2002

The Nauticat 37 Pilothouse is a 36foot10inch pilothouse cruiser designed by Kaj Gustafsson and built by the Finnish yard Siltala Yachts Oy from 2002 onward. With a 33foot1inch waterline, an 11foot10inch beam, and a displacement of 20,944 lbs, she sits firmly in the cruising category. She carries 6,724 lbs of lead ballast.

Measurements

Dimensions 01

Length Overall
36.84 ft
Length on deck
36.83 ft
Waterline Length
33.14 ft
Beam
11.81 ft
Draft
6.07 ft
Maximum Headroom
6.5 ft
Air Draft
54.79 ft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Fin
Rudder
1× Skeg-Hung
Ballast
6,724 lbs (Lead)
Displacement
20,944 lbs
Water Capacity
116 gal
Fuel Capacity
88 gal

Rig & sails 03

Rigging Type
Masthead Sloop
Mainsail luff
—
Mainsail foot
—
Foretriangle height
—
Foretriangle base
—
Forestay Length (estimated)
—
Sail Area
807.29 sqft

Calculations 04

Sail Area to Displacement Ratio
17
Ballast to Displacement Ratio
32.1
Displacement to Length Ratio
256.89
Comfort Ratio
35.27
Capsize Screening Ratio
1.71
Hull Speed
7.71 kn

Her CE Class A (Ocean) certification places her among vessels cleared for unrestricted offshore use. Overall, the numbers describe a steady, roomy coastal and bluewater traveler rather than a stripped-out racer.

Design and Construction

Siltala Yachts built the hull in hand-laid fiberglass. Historically, the yard laminated Nauticat hulls as two half-shells, joining them while the polyester resin remained tacky. The hull had solid GRP below the sheerline, without foam or balsa coring in the hull laminate. Following the builder’s standard practice, the deck used a balsa-cored fiberglass laminate.

The Nauticat 37 has a fin keel and skeg-hung rudder. Reported draft ranges from 6 feet 1 inch to 6 feet 4 inches, depending on load. Her length-to-beam ratio of 3.08 makes her more spacious than 69% of all other designs.

A ballast ratio of 35 percent—higher than roughly a quarter of similar sailboats—contributes to a settled, deliberate posture in the water. An immersion rate of about 1,383 pounds per inch means the boat sits heavily and changes trim slowly as stores are added.

Rig, Sailing, and Handling

The Nauticat 37 carries a masthead sloop rig, with a masthead height of about 55 feet above the waterline. The main and jib provide a combined working sail area of 731.9 square feet.

The running-rigging specifications are generous. Jib and genoa sheets are 36.8 feet long and 0.55 inches in diameter. The mainsheet is 92.1 feet long, while the spinnaker sheet measures 81.1 feet; both use the same diameter. These dimensions suggest a heavily stayed, conventionally handled rig rather than a minimalist setup.

Her displacement-length ratio of 235 places her among “moderate racers,” although that classification reads more like a statistical artifact than a racing brief. The moderate sail area and substantial displacement point more clearly toward cruising than outright speed.

The capsize screening value is 1.79, while the motion comfort ratio is 31.5—more comfortable than 69 percent of similar sailboats. Together, those figures indicate a stable, forgiving motion profile.

With the optional 54-horsepower Yanmar 4JH4 diesel and shaft drive, the boat makes 8.0 knots under power, just above her theoretical hull speed of 7.7 knots.

Pilothouse and Accommodations

Like most production cruisers of her era, the Nauticat 37 has a teak-finished interior. Above-average headroom helps give the pilothouse layout an open feel, while the 11-foot-10-inch beam provides a spacious interior for the boat’s length.

A galley and toilet facility are standard. Tankage includes 116 gallons of fresh water, 23 gallons of waste-water capacity, and 88 gallons of fuel. The water capacity supports extended stays aboard, while the fuel supply provides a sensible motoring range to complement the sail plan.

The wetted surface is about 452 square feet, which is moderate for a boat of this size.

Known Issues

No supported facts in the available material identify systemic defects specific to this model. Buyers should still commission a standard survey.

Builder and Ownership Context

The Gustafsson family managed Siltala through the 1990s and into the 2000s. The Nauticat marque later passed to Latvian ownership in 2022, well after production of the Nauticat 37 began.

For an owner, the boat’s CE Ocean rating, simple shaft drive, and conservative ballast and comfort figures make her straightforward to maintain within the bounds of normal cruising wear.

Verdict

The Nauticat 37 Pilothouse is a purpose-built, offshore-capable cruiser with a roomy beam, steady motion, and a practical pilothouse interior. She isn’t a lightweight performer, but her numbers describe a secure, livable boat suited to long passages as well as temperate coastal cruising.

Pros

  • CE Class A (Ocean) certification for unrestricted offshore use
  • Above-average headroom and a beamy, spacious interior for her length
  • Comfort ratio better than 69 percent of comparable designs
  • Simple shaft-drive installation with the optional 54 hp Yanmar diesel

Cons

  • Deep fin keel limits marina access to deeper ports
  • Moderate sail area and displacement-length ratio favor cruising over speed

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