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28data points analyzed by Sailpages.com to compile this MARINER 47 (BREWER) buyer’s report

MARINER 47 (BREWER)

Mariner Yacht Company🇺🇸· Design: Ted Brewer
from 19807 built
$4.0K – $11K est. annual maintenance
Bluewater CruisermonoMasthead SloopFin

Specifications

Hull

LOA47.5 ft
LWL37 ft
Beam13.83 ft
Draft6 ft
Displacement29,500 lb
Ballast11,499.1 lb
Hull speed1.34·√LWL8.2 kn

About the MARINER 47 (BREWER)

Mariner Yacht Co. built about 7-8 of these boats before going out of business. Later, about 6 more were built and sold as the ISLANDER 48C. Thanks to the designer, Ted Brewer for providing corrections. See ISLANDER 48C for more details.

Sailpages Buyer's Take

The Mariner 47 is a rare, heavy-displacement cruising sloop designed by Ted Brewer and built by Mariner Yacht Company in the USA. With only 7 hulls built in 1980, this vessel represents a small-production, high-quality build from the early 1980s.

Best for:
This boat suits experienced coastal cruisers and those seeking a comfortable, stable passage-making vessel, given its high comfort ratio and substantial displacement. It is well-suited for couples or small families who prioritize sea-kindliness and interior volume over high-performance racing.
Bluewater capability:
With a displacement of 29500.0 lb and a capsize ratio of 1.79, the Mariner 47 exhibits strong offshore stability and safety margins suitable for protected bluewater passages.
Comparables:
Comparable boats include the Cal 40 and O'Day 40, which share similar heavy-displacement characteristics and coastal cruising roles from the same era. The Brewer design philosophy also aligns with other Brewer designs like the Bristol 40.9, offering similar stability and build quality.

Performance

Comfort34.4
Capsize1.79
SA/Disp16.9
Disp/Len260
Bal/Disp39.0

Pricing

We don't have market pricing data for the MARINER 47 (BREWER) 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 47.5ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$4.0K – $11K
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 4 systems for the MARINER 47 (BREWER), compiled from owner reports in sailing forums and owner-association material.

1 critical2 major1 minor
Structural1Hull1Rudder1Electrical1

Unlock the full inspection report

Thinking of buying a MARINER 47 (BREWER)? 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 MARINER 47 (BREWER)?

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: Yanmar, Perkins — is it one of these?

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

Used sails that fit the MARINER 47 (BREWER)

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