Sanderling Information, Review, Specs

Boat drawing
Make
Model
Number Built
Production Year(s)
1962 - ??

The Marshall Sanderling, an 18-foot catboat, is an iconic vessel that perfectly embodies the Marshall Marine Corporation's dedication to blending traditional New England boatbuilding aesthetics with modern fiberglass construction. Designed by company founder Breck Marshall, and first launched in 1962, the Sanderling quickly established itself as a versatile day-sailer and weekender, renowned for its spacious cockpit and surprisingly roomy cuddy cabin. Built with solid fiberglass hulls and decks, she offers durability and low maintenance, upholding the builder's ethos of creating robust and comfortable catboats capable of navigating shallow waters.

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The creation of the Marshall Sanderling in 1962 marked a pivotal moment for Marshall Marine Corporation, as it was the company's very first model and laid the groundwork for its enduring legacy in fiberglass catboat construction. Breck Marshall's vision was to translate the classic lines and practical virtues of the traditional wooden catboat into the then-revolutionary medium of fiberglass, aiming to combine shallow-draft capabilities and expansive deck space with the durability and low maintenance of the new material. The Sanderling was based on an earlier 1941 design by 'Pop' Arnold, which Marshall adapted for fiberglass production. This initial model proved that traditional aesthetics and modern materials could coexist harmoniously, setting the standard for quality and design principles at Marshall Marine for decades to come. The Sanderling remains one of the longest continuously built fiberglass boats on the market, with over 860 units delivered since its inception, solidifying its reputation as a common-sense day-sailer and weekender. Variations exist, including an open cockpit "dayboat" version without the cuddy cabin, in addition to the more common cuddy cabin model. In 2009, Marshall Marine introduced a molded cockpit design for a cleaner look, reduced maintenance, and increased comfort, offering an even larger cockpit option.

Sailing Performance and Handling

The Marshall Sanderling, with its distinctive cat rig and centerboard, is known for its practical sailing performance and ease of handling, particularly suited for shallow waters. Her design, featuring a single mast stepped far forward and a large gaff-rigged sail, provides immense cockpit space. With a length overall of 18.17 feet and a waterline length of 17.5 feet, she boasts a theoretical hull speed of approximately 5.61 knots. The catboat design allows for a minimum draft of just 1.58 feet with the centerboard retracted, enabling access to shallow anchorages and cruising grounds, while a maximum draft of 4.33 feet with the board down aids performance upwind.

Owners report that the Sanderling's large sail area is effective for sailing in light air, enabling the boat to "ghost" along efficiently. Its relatively slippery hull shape also contributes to good performance, as does its ability to reduce wetted surface by heeling slightly. However, some owners note that the boat can feel "tipsy", and proper centerboard adjustment is crucial for controlling excessive weather helm, especially off the wind where raising the board can improve handling. For improved mainsail sheeting, some owners replace original double blocks with three larger, single blocks, which are now standard on the Sanderling, to achieve smoother performance.

Accommodations and Layout

While the Marshall Sanderling is often praised for its generous cockpit space, its cuddy cabin version also offers a surprisingly roomy interior for an 18-foot boat, providing accommodations typically associated with larger vessels. The interior layout of the Sanderling typically features a V-berth forward, which serves as a sleeping area. A notable characteristic is the significant volume below decks for its length. The design prioritizes simplicity and practicality, typical of a day-sailer or weekender. Storage is usually found beneath the berths. The quality of finish generally reflects Marshall Marine's commitment to robust construction, often utilizing solid fiberglass in the hull and side decks. Ventilation, while not explicitly detailed in all reviews, is typically managed through companionway access and potential portlights. Some owners have undertaken projects to customize or upgrade their interiors, such as laying and screwing down new soles after epoxying floor tops.

Owner's Perspectives

Owners consistently praise the Marshall Sanderling for its robust construction, simplicity, and its large, comfortable cockpit, making it an admired choice for day-sailing and weekend cruising. Many appreciate the low maintenance associated with its fiberglass construction and minimal through-hulls, especially when equipped with an outboard engine. The sailing characteristics are generally well-regarded, with the large gaff-rigged sail providing good light-air performance.

However, common issues noted by some owners include the potential for rot in the aft house bulkhead, which can result from water intrusion. While one owner of a 1964 hull reported never having deck leaks, others mentioned re-bedding ports after several years. The boat's tendency to feel "tipsy" and the importance of proper centerboard adjustment to manage weather helm are also frequently discussed topics among owners. Despite these minor points, the ownership experience is generally highly regarded, supported by Marshall Marine's dedication to customer service and a strong, active owner community, exemplified by associations that promote sailing events and camaraderie. Owners find the Sanderling to be a "common sense" vessel, ideally suited for relaxed sailing and enjoying time on the water.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Centerboard
Rudder
1x —
Ballast
500 lbs
Displacement
2200 lbs
Water Capacity
-
Fuel Capacity
-

Engine

Engine Make
Yanmar
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Diesel
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cat Rig
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Main Sail Area
-
Foretriangle Sail Area
-
Total Sail Area (Reported)
253 sqft
Total Sail Area (Calc)
-

Dimensions

LOA
18.17 ft
LWL
17.5 ft
Beam
8.5 ft
Draft
4.33 ft
Max Headroom
-
Air Draft
-

Calculations

Hull Speed
5.61 kn
Pounds per Inch Immersion
531.5