First built in 1970 by Sirocco Boatworks in Ontario, Canada, the Sirocco 15 is a compact, trailerable daysailer designed by Peter Des Lauriers. With approximately 350 hulls produced through the late 1980s, the design carved a niche as a transitional vessel for sailors moving from open racing dinghies to more stable, overnight-capable "pocket cruisers." The boat is characterized by its nearly plumb stem, vertical transom, and a high-aspect fractional rig that distinguishes it from the more sluggish family daysailers of its era. Constructed primarily of glass-reinforced plastic (GRP), it features a 75-pound iron swing keel that balances portability with the righting moment of a much larger boat.
Sirocco 15 Information, Review, Specs

- Make
- Sirocco
- Model
- 15
- Builder
- Sirocco Boatworks Ltd.
- Designer
- —
- Number Built
- 350
- Production Year(s)
- 1970 - ??
Sailing Performance & Handling
The Sirocco 15 is frequently categorized as an "ultra-light" performer due to its scant 470-pound displacement. This lightness, paired with a generous sail area of 147 square feet, gives the vessel a high sail area-to-displacement ratio, allowing it to reach its theoretical hull speed of 5.06 knots in relatively light air. According to the US Sailing Portsmouth Yardstick, the Sirocco 15 (rated under code SRC15) maintains a performance handicap similar to dedicated racing dinghies, yet its iron keel provides a degree of forgiveness not found in centerboard-only boats.
On the water, the boat is known for being responsive and "twitchy" like a dinghy, requiring active weight management from the crew. However, once the keel is fully extended to its 3.83-foot maximum draft, the boat tracks surprisingly well and exhibits enough stability to handle moderate coastal breezes. The fractional rig keeps the headsails small and manageable, making it an ideal platform for solo sailors or beginners learning to manage a sloop configuration. Its exceptionally shallow 0.67-foot draft with the keel retracted allows it to be beached easily, a significant advantage for explorers of thin-water estuaries or inland lakes.
Interior Comfort & Variations
The most notable feature of the Sirocco 15 is its cuddy cabin, which provides a degree of shelter rare for a vessel under 16 feet. While the Sirocco 15 is strictly a "camping" cruiser rather than a liveaboard, the cabin offers enough space for two adults to find basic shelter or to store gear out of the elements during a weekend trip. The interior is spartan, usually finished in gelcoat with minimal wooden accents, emphasizing utility and low maintenance.
Two distinct variations were produced on the same hull. The standard Sirocco 15 features windows in the cuddy cabin and often came equipped with a more comprehensive rigging package, including spinnaker gear. The "E-15" (Economy) variant was introduced to offer a more affordable entry point; this version typically lacks the cabin windows and features a simplified deck layout with an aluminum tiller in place of the standard wood, though it retains the same hull and swing-keel mechanics.
Popular Mentions & Media
The Sirocco 15 has earned a reputation for durability and seaworthiness in the "small boat" adventure community. It gained particular visibility through its participation in the Everglades Challenge, a grueling 300-mile unsupported expedition race. Owner Scott Henderson famously campaigned a Sirocco 15 in this event, as noted by Small Craft Advisor, demonstrating that the design can handle significant offshore chop and high-wind conditions when helmed by experienced sailors.
Known Issues & Buyer’s Checklist
Prospective buyers should approach the Sirocco 15 with a focus on structural integrity, as many of these hulls are now over 50 years old.
- Keel Pivot and Cable: The iron swing keel is operated by a manual cable and winch system. Corrosion at the pivot bolt or fraying in the lifting cable is common. If the keel "clunks" significantly while sailing, the pivot hole may have become elongated (ovalized), requiring a sleeve repair.
- Soft Floors: Owners have frequently reported "soft spots" in the cockpit floor or cabin sole. This usually indicates delamination of the fiberglass or the degradation of the internal core material due to water ingress.
- Keel Trunk Stress: Inspect the areas where the keel trunk meets the hull. High-stress loads from the 75-pound keel can cause spider-web cracks in the gelcoat; while often superficial, deep structural cracks here can lead to leaks.
- Flotation Degradation: The boat was built with positive flotation, often using foam blocks or air tanks. Over time, foam can become waterlogged and air tanks can leak. It is common practice for modern owners to supplement original flotation with closed-cell foam or "pool noodles" to ensure the boat remains buoyant if capsized.
The Verdict
The Sirocco 15 remains a charming and capable entry-level sailboat for those who prioritize ease of trailering and the ability to beach their vessel. While it lacks the ultimate stability of a fixed-keel boat, its performance-to-weight ratio makes it a joy to sail for those who enjoy a tactile, dinghy-like experience with the safety net of a cuddy cabin.
Pros
- Exceptional portability; can be towed by almost any small vehicle.
- The swing keel provides access to extremely shallow waters and easy beaching.
- Surprising performance in light air due to its ultra-light displacement.
- Low maintenance requirements compared to larger keelboats.
Cons
- Lacks the stability for heavy weather or significant offshore use.
- The cuddy cabin is very cramped and strictly for "minimalist" overnighting.
- Aging hulls often require structural attention to floors and keel mechanisms.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Wing
- Rudder
- 1x —
- Ballast
- 75 lbs
- Displacement
- 470 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 15.33 ft
- Waterline Length (LWL)
- 14.25 ft
- Beam
- 5.92 ft
- Draft
- 3.83 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- -
- E (Main Foot)
- -
- I (Foretriangle Height)
- -
- J (Foretriangle Base)
- -
- Forestay Length (est)
- -
- Sail Area
- 147 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 38.91
- Ballast / Displacement Ratio
- 15.96
- Displacement / Length Ratio (D/L) Ratio
- 72.51
- Comfort Ratio
- 4.66
- Capsize Screening Formula
- 3.05
- Hull Speed
- 5.06 kn