Pacific Seacraft Mariah 31

Pacific Seacraft Mariah 31

In Brief

Line drawing of the Pacific Seacraft Mariah 31 sailboat

Touted "the most expensive boat of its size" at her introduction in 1977, the diminutive Mariah 31 helped build Pacific Seacraft's reputation for making quality boats. She was designed by the original co-founder of Pacific Seacraft, Henry Mohrschladt who only two years earlier kicked off the business with Mike Howarth building boats out of Howarth's garage.

The Mariah 31 is a ridiculously sturdy boat, with hull thicknesses seldom seen in boats twice her length. We're talking one inch at the topsides extending to 3 inches at the bilge, and deck thicknesses of an inch and a half (where you can hear owners complain they can't readily find through-deck bolts long enough). As testament to her strength, Paul Lutus during his solo circumnavigation in Selene writes of surviving a blow with a semi-submerged shipping container without taking on any water, the impact had enough force to throw him clean off from his berth while he slept.

Not surprisingly she is heavy, requiring a lot of canvas hung from her 4ft bowsprit to keep her moving. Later MkII versions introduced a 5ft bowsprit. The interiors have a nice layout, loads of headroom and are finished in high quality teak.

Under sail she's generally considered a slow boat, expect to clock regular 100 mile days in the trades with a well set up rig. She's at her best on a reach, with 14-18 knots on the beam - expect a solid 6 knots. However with the wind from behind, her tub-like underbody and shoal keel doesn't do much to reduce rolling motion which can get uncomfortably large.

Production ceased in 1983, the rumor was that the boat was too expensive to keep going. Before production ended a number of boats were sold as hull and deck kits and finished by their owners.

Specifications

LOA MkI36' 0"
LOA MkII37' 0"
LOD30' 11"
LWL25' 0"
Beam10' 8"
Draft4' 5"
Displacement16,000 lbs.
Ballast (lead)6,000 lbs.
Sail Area596 sq. ft.
Bridge Clearance45' 4"
Headroom6' 5"
DesignerHenry Mohrschladt
BuilderPacific Seacraft
Year Introduced1977
Last built1983
RigCutter
Sleeps5

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