Montgomery 12 Sailboat Review, Specs, and Listings

Lyle Hess·1972·Montgomery Marine Products
Approximate drawing

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Hull Type
Monohull · centerboard
Rig
Fractional Sloop
LOA
12.2' · 3.72 m
Disp.
145 lbs · 66 kg
First year
1972

The Montgomery 12 is an American sailing dinghy designed by Lyle Hess and first built in 1972 by Montgomery Marine Products, a California firm founded by Jerry Montgomery. Conceived as both a daysailer and a onedesign racer, the boat went on to become something of a cult favorite among smallboat enthusiasts, with several hundred hulls produced in fiberglass from the early 1970s into the 1980s first built in 1972.

Measurements

Dimensions 01

Length Overall
12.2 ft
Length on deck
Waterline Length
10 ft
Beam
4.83 ft
Draft
3 ft
Maximum Headroom
Air Draft

Construction & hull 02

Construction
Fiberglass
Hull Type
Monohull
Keel Type
Centerboard
Rudder
1× —
Ballast
Displacement
145 lbs
Water Capacity
Fuel Capacity

Rig & sails 03

Rigging Type
Fractional Sloop
Mainsail luff
Mainsail foot
Foretriangle height
Foretriangle base
Forestay Length (estimated)
Sail Area
91 sqft

Calculations 04

Sail Area to Displacement Ratio
52.75
Ballast to Displacement Ratio
Displacement to Length Ratio
64.73
Comfort Ratio
2.58
Capsize Screening Ratio
3.68
Hull Speed
4.24 kn

Design and Construction

At just 12 feet 2 inches overall with a 10-foot waterline and a beam of 4 feet 10 inches, the Montgomery 12 is a compact monohull displacing only 145 pounds. Its centerboard dinghy hull was engineered for shallow draft and easy trailering and launching, drawing a mere 0.8 feet with the board up and 3 feet down centerboard dinghy hull for shallow draft and easy trailering/launching. The solid fiberglass construction and built-in flotation give the class unsinkability, a reassuring attribute in a boat this small and light. Lyle Hess's hand is evident in a design that reads as a proper little yacht rather than a toy, and its classic lines have long drawn admiration.

Rig and Handling

The boat carries a fractional sloop rig that delivers responsive and forgiving handling, well suited to the dual brief of casual daysailing and one-design competition a fractional sloop rig for responsive and forgiving handling. With a mainsail area of just under 60 square feet and a 113-percent jib of about 26 square feet, the sail plan is modest but effective on a 145-pound hull. Test sailors and owners have praised the Montgomery 12 for its nimble performance and its stability in chop, qualities that make the boat feel larger than its length suggests and encourage confident sailing in breezy, unsettled water.

Accommodations

There is no cabin to speak of; the Montgomery 12 features a simple, open cockpit laid out for day use and racing alike. The absence of interior volume is intrinsic to the type, and the open plan keeps weight low and the center of gravity manageable. For a daysailer and one-design racer, the simplicity is a virtue rather than a compromise, placing the crew and their gear in an uncluttered workspace.

The Verdict

The Montgomery 12 succeeds as a light, trailable Hess-designed dinghy that punches above its size for handling and seaworthiness in chop. Its built-in flotation and shallow-draft centerboard make it an approachable boat for sailors who want one-design racing or relaxed daysailing without the overhead of a larger keelboat.

Pros

  • Unsinkable with built-in flotation
  • Shallow draft and easy trailering via centerboard hull
  • Nimble performance with stability in chop
  • Responsive, forgiving fractional sloop rig

Cons

  • No cabin or enclosed accommodations
  • Very low displacement limits load and crew comfort

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