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12data points analyzed by Sailpages.com to compile this CALKINS 40 buyer’s report
CALKINS 40

CALKINS 40

American Marine PTE🇭🇰· Design: Wendell H. Calkins
from 1963
$2.8K – $7.5K est. annual maintenance
Bluewater CruisermonoMasthead SloopFin

Specifications

Hull

LOA39.92 ft
LWL35 ft
Beam10.42 ft
Draft6.42 ft
Displacement18,000 lb
Ballast5,000.4 lb
Hull speed1.34·√LWL7.9 kn

About the CALKINS 40

Sailpages Buyer's Take

The Calkins 40 is a rare, heavy-displacement cruising sloop designed by Wendell H. Calkins and built by American Marine PTE (HK) in 1963. With a displacement of 18000.0 lb and a build count of ?, this vessel represents a distinct era of American offshore design characterized by robust construction and substantial ballast.

Best for:
This boat is best suited for experienced coastal cruisers and bluewater adventurers who prioritize seakeeping and comfort over high-speed performance, particularly those seeking a classic, heavy-displacement vessel with a 33.62 comfort ratio.
Bluewater capability:
With a displacement of 18000.0 lb, a capsize ratio of 1.59, and a fin keel with 6.42 ft max draft, the Calkins 40 is well-suited for offshore passages, offering excellent stability and motion comfort in heavy seas.
Comparables:
Comparable vessels include other 1960s American heavy-displacement cruisers such as the O'Day 36 or early Pearson models, which share similar fin keel configurations and masthead sloop rigs aimed at offshore durability rather than racing.

Performance

Comfort33.6
Capsize1.59
SA/Disp17.6
Disp/Len187
Bal/Disp27.8

Pricing

We don't have market pricing data for the CALKINS 40 yet. If you own one, help other buyers — what did you pay for it? Reports build a community price estimate over time.

Estimated Cost of Ownership

Based on 39.92ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$2.8K – $7.5K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
N/A
No price data available

Known Issues & Pre-Purchase Inspection

4 reported issues across 3 systems for the CALKINS 40, compiled from owner reports in sailing forums and owner-association material.

2 critical1 major1 minor
Rudder2Deck1Engine1

Unlock the full inspection report

Thinking of buying a CALKINS 40? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.

  • ✓ All 4 specific issues — severity, symptoms & fixes
  • ✓ Model-specific pre-purchase inspection checklist
  • ✓ Downloadable PDF to take to your surveyor — yours to keep

One-time $2.99 · secure checkout by Stripe · instant access · 30 days online, PDF yours to keep

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Which engine powers your CALKINS 40?

We haven't confirmed the engine for this model yet. If you own or know one, tell us — as owners report in, we build an accurate picture over time.

Brands sometimes mentioned for this model: Westerbeke — is it one of these?

Already know your engine? Search all engines → to find its exact parts.

Used sails that fit the CALKINS 40

Checking eBay for sails sized to this boat's rig…