Mariner 38 — Information, Review, Specs

Eric White & Arthur Berry·1980·~6 hulls·Mariner Yacht Company
Mariner 38 drawingBuilder drawing
Hull type
Monohull · fin
Rig
Ketch
LOA
37.67' · 11.48 m
Displ.
18,000 lbs · 8,165 kg
First year
1980

The Mariner 38 Pilot House stands as a robust example of Americanbuilt cruising philosophy from the late 1970s and early 1980s. Produced by the Mariner Yacht Co. in East Rochester, New Hampshire, this model was a specialized evolution of the Arthur Canningdesigned Mariner 36. By extending the hull and integrating a raised pilothouse, the builder sought to provide a genuine "allweather" cruiser that catered to the North Atlantic and Pacific Northwest markets, where internal steering and visibility are more than luxuries—they are necessities. Unlike the more common Far East Mariners designed by William Garden, the New Hampshirebuilt Mariner 38 is characterized by its heavyduty fiberglass construction and a focus on functional liveaboard comfort.

Measurements

Dimensions 01

LOA
37.67 ft
LWL
30.16 ft
Beam
11.58 ft
Draft
5 ft
Max headroom
-
Air draft
-

Construction & hull 02

Construction
Fiberglass
Hull type
Monohull
Keel type
Fin
Rudder
1× Skeg-Hung
Ballast
5500 lbs (Lead)
Displacement
18000 lbs
Water
110 gal
Fuel
88 gal

Rig & sails 03

Rig type
Ketch
P · main luff
38 ft
E · main foot
14 ft
I · fore ht.
45 ft
J · fore base
14 ft
Forestay (est)
47.13 ft
Sail area
581 sqft

Calculations 04

SA/D ratio
13.53
Ballast/Disp.
30.56
D/L ratio
292.91
Comfort ratio
32.88
Capsize screening
1.77
Hull speed
7.36 kn

Sailing Performance & Handling

The Mariner 38 Pilot House is a heavy-displacement cruiser designed for stability and momentum rather than rapid acceleration. With a displacement-to-length ratio that leans toward the "heavy cruiser" category, the vessel is remarkably sea-kindly in a blow. According to archival design notes from Arthur Canning, the hull features a long fin keel and a skeg-hung rudder, a configuration that provides excellent tracking and protection for the running gear in debris-strewn waters.

Under sail, the boat feels stiff and predictable. While the high windage of the pilothouse can affect the boat's ability to point as closely as a flush-deck racer, it excels on a reach. In light air, the boat requires significant canvas to move, but once it reaches 10 to 12 knots of true wind, the hull settles into a comfortable groove. The dual-station steering is a defining feature: while the cockpit provides the tactile feedback preferred in fair weather, the internal station allows the helmsman to maintain watch in a climate-controlled environment, which reduces fatigue on long offshore passages.

Interior Comfort & Variations

The interior of the Mariner 38 Pilot House is where the "liveaboard" designation becomes apparent. The raised saloon offers 360-degree visibility, a rarity for vessels of this era, which significantly reduces the sense of claustrophobia often found in traditional "cave-like" sailboat cabins. The primary layout typically features a large U-shaped galley and a lower dinette, though the raised pilothouse area often serves as the primary social hub.

The Mariner 38 was frequently built as a custom or semi-custom evolution of the Mariner 36 and the Mariner 39. While the Mariner 36 offered a traditional trunk cabin, the 38 and 39 variants utilized the extra length to incorporate better engine access and larger tankage. Interior joinery usually consists of heavy teak plys and solid trim, reflecting the "New England" style of the East Rochester yard. Headroom is a significant selling point, often exceeding 6'4" in the pilothouse and remaining generous throughout the forward cabins.

While the East Rochester Mariner Yacht Co. maintained a lower profile than giants like Pearson or Hunter, the Mariner 38 has earned a reputation in cruising literature as a "poor man's Nauticat." It is frequently cited in regional cruising guides for the Northeast as a preferred vessel for extended season sailing. While no specific high-profile celebrity owners are documented, the model has a dedicated following among "all-weather" vloggers and cruisers who document the refitting of these hulls for high-latitude sailing.

Known Issues & Buyer’s Checklist

Prospective buyers should approach the Mariner 38 with a focus on structural longevity, as these vessels are now entering their fifth decade.

  • Window Seals and Leaks: The defining feature of the pilothouse—the large windows—is also its primary vulnerability. Over time, the seals around the toughened glass can fail, leading to core saturation in the surrounding fiberglass or damage to the teak joinery below.
  • Deck Core Integrity: Like many boats of this era, Mariner used balsa or plywood coring in the decks. Inspection should focus on the areas around the stanchion bases and the transition between the deck and the pilothouse structure, where stress cracks can allow moisture ingress.
  • Fuel and Water Tanks: The original black iron or aluminum tanks are often nearing the end of their service life. Given the boat's layout, replacing these tanks can be a significant undertaking involving the removal of cabin soles or furniture.
  • Chainplate Inspection: The chainplates are bolted to the bulkheads; a common issue reported by owners of the sibling Mariner 36 is weeping at the deck glands, which can lead to rot in the structural plywood bulkheads if left unaddressed.

Community & Resources

The primary hub for technical information is the Mariner Yacht Owners Association, which maintains informal records and technical tips for the New Hampshire-built fleet. While not as large as the West Coast "Mariner" groups, this community is vital for sourcing specific hardware specs or original Canning design drawings.

The Verdict

The Mariner 38 Pilot House is a specialized tool for the serious cruiser who prioritizes comfort and protection over racing trophies. It is a "purpose-built" vessel that trades some windward performance for the ability to sail comfortably in conditions that would keep most sailors in the marina.

Pros:

  • True all-weather capability with a functional inside helm.
  • Massive interior volume and exceptional visibility for a 38-foot boat.
  • Robust New England construction with a sea-kindly hull form.
  • Generous headroom and storage suitable for long-term living.

Cons:

  • Higher windage and weight make it sluggish in light winds.
  • Large pilothouse windows are prone to leaks and require rigorous maintenance.
  • Age-related issues (tanks and core) can be expensive to remediate.
  • Limited production numbers make finding parts or specific sistership advice more difficult than for mass-market brands.

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