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26data points analyzed by Sailpages.com to compile this DOLPHIN 81 buyer’s report
DOLPHIN 81

DOLPHIN 81

Maxi Dolphin Boatyard🇮🇹· Design: Ettore Santarelli
from 1992
$1.0K – $2.7K est. annual maintenance
Performance RacermonoFractional SloopFin
Dolphin 81 class (INT)

Specifications

Hull

LOA26.57 ft
LWL23.95 ft
Beam8.86 ft
Draft5.25 ft
Displacement2,094 lb
Ballast926 lb
Hull speed1.34·√LWL6.6 kn

About the DOLPHIN 81

The sail plan includes 2 spinnakers, one at 7/8,(42m2/452 sq.ft.) and one masthead (70m2/753 sq.ft.).

Sailpages Buyer's Take

The Dolphin 81 is a lightweight, performance-oriented fractional sloop designed by Ettore Santarelli and built by Maxi Dolphin Boatyard in Italy. With a production run limited to 1992 and an unknown total build count, this 26.57 ft LOA vessel is characterized by its low displacement of 2094.0 lb and high sail area-to-displacement ratio of 37.92.

Best for:
This boat is best suited for coastal cruising and daysailing enthusiasts who prioritize speed and ease of handling over heavy offshore protection. Its light displacement and high SA/D ratio make it ideal for single-handers or couples seeking a responsive, planing-capable day boat.
Bluewater capability:
With a low displacement of 2094.0 lb, a comfort ratio of 7.16, and a capsize ratio of 2.77, the Dolphin 81 is not recommended for extended bluewater passages due to its light construction and lack of heavy ballast.
Comparables:
Comparable vessels include other late-80s/early-90s European performance day-sailers like the Beneteau First 26 or J/26, which share similar fractional rig configurations and light-displacement hull forms designed for upwind efficiency.

Performance

Comfort7.2
Capsize2.77
SA/Disp37.9
Disp/Len68
Bal/Disp44.2

ORC Performance Data(46 certificates)

Measured performance data from ORC (Offshore Racing Congress) certificates.

Polar Diagram

246810120°30°60°90°120°150°180°WIND
6kn8kn10kn12kn14kn16kn20knbeat VMGrun VMG

Boat speed (kn) vs. true wind angle. Source: ORC

Racing Ratings

GPH605.5 s/miOSN589.0

Triple Number

LowMedHighOffshore0.89511.11451.2781Inshore0.69810.89281.0365

ORC Measured

Displacement961 kg (2119 lb)Wetted surface12.9 m² (138 ft²)Stability index48.4

Sail Areas (ORC)

Main22.5 m² (242 ft²)Genoa16.2 m² (174 ft²)Spinnaker33.1 m² (357 ft²)Asymmetric52.9 m² (569 ft²)

Speed Table (kn)

TWA \ TWS681012141620
52°5.76.46.76.86.97.07.0
60°6.06.67.07.27.37.57.5
75°6.36.87.57.88.08.28.3
90°6.36.87.58.28.68.99.3
110°6.17.07.68.28.79.310.6
120°6.06.97.88.59.19.811.1
135°5.36.57.38.49.610.712.7
150°4.55.76.57.38.29.312.6
Beat VMG3.74.54.74.84.94.94.8
Run VMG3.94.95.66.37.18.110.9

Images

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Pricing

We don't have market pricing data for the DOLPHIN 81 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 26.57ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.0K – $2.7K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
N/A
No price data available

Articles & Reviews

Known Issues & Pre-Purchase Inspection

6 reported issues across 4 systems for the DOLPHIN 81, compiled from owner reports in sailing forums and owner-association material.

2 critical2 major2 minor
Rudder2Structural2Keel1Electrical1

Unlock the full inspection report

Thinking of buying a DOLPHIN 81? 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 6 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 DOLPHIN 81?

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 — is it one of these?

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Used sails that fit the DOLPHIN 81

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