Sly 38 — Information, Review, Specs

Marco Lostuzzi·2012·Sly Yachts
Approximate drawing

Hover a measurement to read its value

Hull type
Monohull · bulb
Rig
Fractional Sloop
LOA
37.73' · 11.5 m
Displ.
12,125 lbs · 5,500 kg
First year
2012

The Sly 38 is a distilled expression of the "Italian Style" performance cruiser, designed to offer the agility of a racing hull with the appointments of a luxury weekender. Launched following the success of the Sly 42, the 38 was developed by Marco Lostuzzi to target the competitive IRC and ORC racing circuits while remaining manageable for a small crew or a couple to cruise. The construction is notably sophisticated for its class, utilizing vacuuminfused epoxy resins with Eglass and carbon fiber reinforcements, a technique that ensures a high stiffnesstoweight ratio. Unlike many massproduced cruisers of the same length, the Sly 38 was built in relatively limited numbers, often featuring a high level of customization in its deck hardware and rigging configurations to suit the original owner's racing or cruising preferences.

Measurements

Dimensions 01

LOA
37.73 ft
LWL
33.63 ft
Beam
12.14 ft
Draft
7.38 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Bulb
Rudder
1× Spade
Ballast
4685 lbs
Displacement
12125 lbs
Water
71 gal
Fuel
37 gal

Rig & sails 03

Rig type
Fractional Sloop
P · main luff
51.34 ft
E · main foot
17.55 ft
I · fore ht.
51.18 ft
J · fore base
14.11 ft
Forestay (est)
53.09 ft
Sail area
925 sqft

Calculations 04

SA/D ratio
28.04
Ballast/Disp.
38.64
D/L ratio
142.32
Comfort ratio
19.34
Capsize screening
2.11
Hull speed
7.77 kn

Sailing Performance & Handling

The Sly 38 is defined by its high power-to-weight ratio and a hull form that favors speed in light-to-moderate air. With a displacement that is significantly lower than its contemporary French or German counterparts, the boat feels exceptionally responsive on the helm. The design incorporates a deep T-bulb keel and a high-aspect carbon fiber rudder, providing the necessary lift and grip for sharp upwind angles.

According to technical reviews by European sailing journals, the boat tracks with remarkable precision, often compared to a large dinghy in its feedback. The sail plan is typically configured with a non-overlapping jib and a powerful mainsail, making it easy to tack frequently without a large crew. The hull's narrow waterline beam reduces drag, while the flared topsides provide secondary stability as the boat heels. Handling is further enhanced by the standard inclusion of high-quality deck gear, often from Harken or Solimar, which allows for fine-tuning the rig under load. In offshore conditions, the Sly 38 is reported to be dry for its size, though its lightweight nature means it requires active trim and reefing to maintain comfort as the breeze exceeds 20 knots.

Interior Comfort & Variations

The interior of the Sly 38 reflects a minimalist, modern aesthetic often associated with the Nauta Design influence found in other Sly models. The layout is typically a two-cabin, one-head configuration, which prioritizes the size of the salon and the functional utility of the galley and navigation station. The use of light-colored woods, often oak or teak veneers, combined with white composite surfaces, creates an airy feel despite the boat's low-profile coachroof.

Headroom is surprisingly generous in the main salon, though it tapers in the forward V-berth. The sibling models in the Sly range, such as the Sly 42 and the later Sly 47, offer more expansive three-cabin layouts, but the 38 focuses on providing a high-quality environment for a smaller group. Variations in the interior often relate to the "Team" or "Race" versions versus the "Cruising" versions; the former might feature lighter-weight cabinetry or removable lockers to shed weight for regattas, while the cruising versions include more robust amenities like larger refrigeration units and additional storage for extended stays aboard.

Known Issues & Buyer’s Checklist

Prospective buyers of a pre-owned Sly 38 should focus their inspection on the high-performance components that define the vessel.

  • Keel Attachment and Grid: Given its pedigree as a racer, the internal floor grid (the structure that distributes keel loads) should be inspected for any signs of stress cracking or "spidering" in the gelcoat, which could indicate a previous grounding or high-load racing stress.
  • Carbon Rig and Chainplates: Many Sly 38s were delivered with carbon fiber masts. These require a specialized survey to check for UV degradation, hairline fractures, or galvanic corrosion at the points where stainless steel fittings meet the carbon. Similarly, the composite chainplates should be inspected for any signs of delamination.
  • Rudder Bearings: The high-aspect rudder puts significant leverage on its bearings. Buyers should check for excessive "play" or "clunking" in the steering system, as replacing the self-aligning bearings on these custom-oriented hulls can be more complex than on standard production boats.
  • Deck Core Integrity: While the vacuum-infused epoxy construction is generally superior for preventing osmosis and core issues, any aftermarket hardware installations that were not properly sealed can lead to localized moisture in the sandwich core. A moisture meter test around winches and tracks is recommended.

Community & Resources

While Sly Yachts is no longer in active production under its original name, the community is largely supported by the technical legacy of Cantiere del Pardo and the designer Marco Lostuzzi. Owners often coordinate through informal European racing circuits and regional yacht clubs in the Mediterranean. Technical documentation and original design intent can occasionally be sourced through the designer's archives at Studio Lostuzzi.

The Verdict

The Sly 38 remains a premier choice for the sailor who refuses to compromise on speed but desires a refined, stylish platform for coastal cruising. It is a "sailor's boat" that rewards active trimming and provides a level of tactile feedback rarely found in the modern cruiser market.

Pros:

  • Exceptional light-air performance and upwind pointing ability.
  • High-end construction materials (epoxy/carbon) offer longevity and stiffness.
  • Elegant, minimalist Italian interior design that ages well.
  • Sophisticated deck layout optimized for both shorthanded sailing and full-crew racing.

Cons:

  • Limited production numbers make finding one on the secondary market difficult.
  • Requires more active management and earlier reefing than heavier, slower cruisers.
  • High-performance components (carbon rig, rod rigging) lead to higher maintenance and replacement costs.
  • Limited storage and tankage for long-distance, blue-water voyaging.

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