The Lockley-Newport LN-23, introduced in the mid-1970s, represents a significant chapter in the evolution of the American "trailer-sailer." Designed by the prolific Harry Sindle in collaboration with Stuart Windley, the vessel was intended to bridge the gap between a high-performance daysailer and a legitimate coastal cruiser. When Lockley Manufacturing acquired Newport Boats in 1976, the LN-23 became a flagship model for the rebranded Lockley-Newport line. Its life cycle continued well beyond the Lockley era; after the company transitioned to Gloucester Yachts in 1981, the boat was renamed the Gloucester 23. Later, the molds were utilized by Classic Yachts to produce the Classic 23, maintaining the design's relevance into the late 1980s. The hull is characterized by a moderate beam and a versatile swing-keel configuration, making it a favorite for sailors navigating the shallow coastal waters of the Atlantic seaboard and the Great Lakes.
Lockley-Newport LN-23 Information, Review, Specs

- Make
- Lockley-Newport
- Model
- LN-23
- Builder
- Lockley Newport Boats
- Designer
- Stuart Windley
- Number Built
- Production Year(s)
- 1978 - ??
Sailing Performance & Handling
The LN-23 is often described as a "gentleman’s racer-cruiser," a testament to Harry Sindle’s background as an Olympic sailor in the Flying Dutchman class. Unlike many pocket cruisers of its era that prioritized interior volume at the expense of aerodynamics, the LN-23 retains a relatively sleek profile. With a displacement-to-length ratio that leans toward the lighter side of the cruising spectrum, the boat is remarkably responsive in light air.
Under sail, the boat exhibits good tracking thanks to its deep swing keel when fully extended, which provides a draft of nearly 5 feet. When the keel is retracted, the draft is reduced to approximately 2 feet, allowing the boat to be easily trailered or beached. This versatility does come with a trade-off; some owners note that the boat can feel "tender" or prone to heeling quickly in gusts over 15 knots if the sail area is not reduced promptly. The fractional rig offers a manageable sail plan, though the boat truly finds its stride when the genoa is properly trimmed to balance the helm. While not a blue-water vessel, its sea-kindliness in protected bays is frequently praised by those who appreciate a boat that provides feedback through the tiller.
Interior Comfort & Variations
For a 23-foot vessel, the LN-23 offers a functional, albeit compact, interior cabin that reflects the design standards of the late 1970s. The layout typically features a V-berth forward, a small chemical head (often tucked under the V-berth), and two straight settees in the main salon that double as single berths. This four-berth configuration is optimistic for four adults but serves well for a couple or a small family on a weekend excursion.
The "S" or "Standard" variant focuses on simplicity, while the later Gloucester 23 versions often saw slight upgrades in interior teak trim and upholstery. Headroom is approximately 4 feet 10 inches, meaning most sailors will be stooped while below deck, but the large companionway and forward hatch provide adequate ventilation. The galley is minimal, usually consisting of a small sink and space for a portable stove, emphasizing the boat’s role as a "weekender" rather than a long-term liveaboard. The transition to the Gloucester 23 nameplate brought minor cosmetic changes, but the fundamental fiberglass layup and structural grid remained largely consistent across its various brand iterations.
Known Issues & Buyer’s Checklist
Prospective buyers should approach an LN-23 with a focus on three primary areas: the swing keel mechanism, the deck core, and the mast step.
- Swing Keel Integrity: The pivot bolt and the lifting cable are the most common points of failure. If the keel "clunks" while at anchor or under sail, the pivot hole may be elongated, or the bolt may be worn. Inspect the cable for fraying and ensure the winch operates smoothly without binding.
- Deck Delamination: Like many production boats of this era, the LN-23 uses a balsa-cored deck. Soft spots are frequently found around the chainplates, stanchion bases, and the mast step. A thorough "tap test" with a phenolic hammer can reveal areas where moisture has compromised the core.
- Mast Step Compression: The load of the rig can sometimes cause the cabin top to sag if the internal compression post or the structural support beneath the mast step has shifted or rotted due to water ingress.
- Rudder Hardware: The pintles and gudgeons on the transom are known to work loose over decades of use. Check for hairline cracks in the fiberglass around these mounting points, which could indicate structural fatigue.
Community & Resources
Owners of the LN-23 and its sibling, the Gloucester 23, are supported by a small but dedicated network of enthusiasts. The Gloucester Yachts Owners Group remains a primary hub for technical advice, particularly regarding the sourcing of replacement parts for the unique swing-keel assemblies. While there is no longer an active factory presence, the boat’s design commonality with other Sindle-designed vessels means that much of the rigging and hardware can be serviced using standard marine components.
The Verdict
The Lockley-Newport LN-23 is an enduring example of the 1970s trailerable cruiser, offering a blend of performance and portability that remains attractive to entry-level sailors and those downsizing from larger yachts.
Pros:
- Trailerability: The swing-keel design and manageable weight make it easy to transport and store on land.
- Performance: Faster and more agile than many competitors in the 22-24 foot cruising class.
- Versatility: Capable of exploring shallow coves that deeper-draft monohulls cannot reach.
- Affordability: Generally holds a low entry price on the used market, making it an excellent starter boat.
Cons:
- Limited Headroom: The low cabin profile requires constant crouching while below deck.
- Maintenance Intensity: The swing-keel trunk and lifting mechanism require more frequent inspection than a fixed-keel boat.
- Initial Stability: Can feel tender in high winds, requiring early reefing to maintain comfort for nervous passengers.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Centerboard
- Rudder
- 1x —
- Ballast
- 1000 lbs (Lead)
- Displacement
- 2700 lbs
- Water Capacity
- 10 gal
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 22.83 ft
- Waterline Length (LWL)
- 20 ft
- Beam
- 8 ft
- Draft
- 5.5 ft
- Max Headroom
- -
- Air Draft
- 32.5 ft
Rig & Sails
- Rig Type
- Fractional Sloop
- P (Main Luff)
- 24.75 ft
- E (Main Foot)
- 9 ft
- I (Foretriangle Height)
- 25.5 ft
- J (Foretriangle Base)
- 9.75 ft
- Forestay Length (est)
- 27.3 ft
- Sail Area
- 288 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 23.76
- Ballast / Displacement Ratio
- 37.04
- Displacement / Length Ratio (D/L) Ratio
- 150.67
- Comfort Ratio
- 12.54
- Capsize Screening Formula
- 2.3
- Hull Speed
- 5.99 kn