Home/ Boats/ Crytaliners Corp./Glassco Inc. (Usa)/ Arco 33
Sailboat Specifications

Arco 33

Masthead Sloop · Keel/Cbrd.

Designed by Wirth Munroe · Built by Crytaliners Corp./Glassco Inc. (Usa) · First built 1958

+ Add to Compare
LOA 33.00 ft  ·  Beam 9.83 ft  ·  Displacement 12,000.00 lb  ·  Sail Area 550.00 ft²  ·  Masthead Sloop  ·  Keel/Cbrd.
About the Arco 33 Sailboat

Designed by Wirth Munroe and launched in 1958, this 33-foot masthead sloop represents an interesting piece of fiberglass sailing history from the early days of production boat building. With only 15 hulls produced by Crytaliners Corp. and later Glassco Inc., the Arco 33 stands as a relatively rare example of late 1950s design philosophy. The boat's proportions reveal a traditional cruising sailboat optimized for comfort and seaworthiness rather than racing performance. Her substantial 6.50-foot draft and 12,000-pound displacement create a stable platform that tracks well in various conditions, while the keel/centerboard configuration offers versatility for both deeper offshore waters and shallower coastal cruising grounds. The conservative sail area to displacement ratio of 16.85 indicates predictable, manageable sailing characteristics that won't overwhelm less experienced crews. With a comfort ratio of 33.75 and capsize screening value of 1.72, this design prioritizes safety and motion comfort over speed, making it well-suited for extended coastal cruising and potentially limited offshore passages. The 22-horsepower auxiliary engine provides adequate power for maneuvering in tight quarters. While not particularly fast with a theoretical hull speed of 6.46 knots, the Arco 33 offers the solid, dependable sailing experience typical of its era.

Dimensions & Specifications
LOA (Length Overall) 33.00 ft / 10.06 m
LWL (Waterline Length) 23.25 ft / 7.09 m
Beam 9.83 ft / 3.00 m
Max Draft 6.50 ft / 1.98 m
Min Draft 3.50 ft / 1.07 m
Displacement 12,000.00 lb / 5,443 kg
Sail Area (Reported) 550.00 ft² / 51.10 m²
Design & Construction
Hull Type Keel/Cbrd.
Rigging Type Masthead Sloop
Construction FG
Designer Wirth Munroe
Builder Crytaliners Corp./Glassco Inc. (USA)
First Built 1958
Number Built 15
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Engine & Accommodations
Engine Make Palmer
Engine Model IH60
Engine Type Gas
Horsepower 22
Frequently Asked Questions

What is the Arco 33's sail area to displacement ratio?

The Arco 33 has a Sail Area to Displacement ratio (SA/D) of 16.85. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Arco 33's comfort ratio?

The Arco 33 has a Ted Brewer Comfort Ratio of 33.75. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Arco 33 safe for offshore sailing?

The Arco 33 has a Capsize Screening Formula value of 1.72. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Arco 33?

The theoretical hull speed of the Arco 33 is 6.46 kn knots, calculated from its waterline length.

How much does a Arco 33 weigh?

The Arco 33 has a displacement of 12,000.00 lb and a length overall (LOA) of 33.00 ft.

Who designed the Arco 33?

The Arco 33 was designed by Wirth Munroe, first built in 1958.