Home/ Boats/ Mariah 30
Sailboat Specifications

Mariah 30

Masthead Sloop · Fin W/Spade Rudder

Designed by Alan Andrews · First built 1991

+ Add to Compare
LOA 30.00 ft  ·  Beam 10.42 ft  ·  Displacement 7,000.00 lb  ·  Sail Area 567.00 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the Mariah 30 Sailboat

With limited documentation available, the Mariah 30 represents one of those intriguing sailboats that has quietly served coastal sailors without widespread recognition in the mainstream sailing press. This 30-foot design appears to have been produced in relatively small numbers, making it something of a hidden gem for sailors seeking an affordable entry into cruising. Based on her proportions and era, the Mariah 30 likely embodies the practical design philosophy of her time, emphasizing seaworthiness and comfortable accommodations over racing performance. Her moderate displacement and beam suggest she would be well-suited for coastal cruising and weekend adventures, offering a good balance of stability and maneuverability. The limited availability of detailed specifications often indicates a boat that was built by a smaller manufacturer or had a shorter production run, which can translate to unique character and potentially attractive pricing in the used boat market. For sailors willing to do their homework and conduct thorough surveys, boats like the Mariah 30 can offer excellent value, providing solid sailing capabilities and the satisfaction of owning something distinctive rather than following the crowd toward more common production boats.

Dimensions & Specifications
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 25.83 ft / 7.87 m
Beam 10.42 ft / 3.18 m
Max Draft 5.92 ft / 1.80 m
Displacement 7,000.00 lb / 3,175 kg
Sail Area (Reported) 567.00 ft² / 52.68 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Alan Andrews
First Built 1991
Related Sailboats J/30 · Capri 30 Catalina · Moore 30 · Mirage 30 Sx · Cs 30
Owner Reviews

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

Frequently Asked Questions

What is the Mariah 30's sail area to displacement ratio?

The Mariah 30 has a Sail Area to Displacement ratio (SA/D) of 24.87. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Mariah 30's comfort ratio?

The Mariah 30 has a Ted Brewer Comfort Ratio of 17.61. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Mariah 30 safe for offshore sailing?

The Mariah 30 has a Capsize Screening Formula value of 2.18. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Mariah 30?

The theoretical hull speed of the Mariah 30 is 6.81 knots, calculated from its waterline length.

How much does a Mariah 30 weigh?

The Mariah 30 has a displacement of 7,000.00 lb and a length overall (LOA) of 30.00 ft.

Who designed the Mariah 30?

The Mariah 30 was designed by Alan Andrews, first built in 1991.