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195data points analyzed by Sailpages.com to compile this MG SPRING 25 buyer’s report
MG SPRING 25

MG SPRING 25

Marine Glass🇬🇧· Design: Tony Castro
from 1986160 built
$1.0K – $2.6K est. annual maintenance
Racer/CruisermonoFractional SloopFin

Specifications

Hull

LOA25.5 ft
LWL22.75 ft
Beam9 ft
Draft3 ft
Displacement4,500 lb
Ballast1,549.8 lb
Hull speed1.34·√LWL6.4 kn

About the MG SPRING 25

Also built in Australia and Brazil. Besides the winged keel, some versions had twin rudders.

Sailpages Buyer's Take

Designed by Tony Castro and built by Marine Glass (UK), the MG Spring 25 is a compact coastal cruiser with a production run of 160 hulls completed in 1986. Its fractional sloop rig and fin keel configuration offer a balance of performance and ease of handling for its 25.5 ft length.

Best for:
This boat is best suited for coastal cruising and weekend sailing, particularly for couples or small families seeking a manageable, trailerable vessel with adequate interior volume for short passages.
Bluewater capability:
With a displacement of 4500.0 lb and a capsize ratio of 2.18, the boat is primarily designed for coastal use rather than extended bluewater passages, though its robust construction allows for protected offshore sailing.
Comparables:
Comparable boats include the O'Day 25 and Catalina 25, as they share similar fractional sloop rigs, beam widths around 9 ft, and target the same market of entry-level coastal cruisers from the mid-1980s.

Performance

Comfort15.8
Capsize2.18
SA/Disp19.4
Disp/Len171
Bal/Disp34.4

ORC Performance Data(1 certificate)

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

Polar Diagram

24680°30°60°90°120°150°180°WIND
6kn8kn10kn12kn14kn16kn20knbeat VMGrun VMG

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

Racing Ratings

GPH820.9 s/miOSN

Triple Number

LowMedHighOffshore0.68340.94351.0957Inshore0.52140.75180.9030

ORC Measured

Displacement2050 kg (4520 lb)

Sail Areas (ORC)

Main17.7 m² (191 ft²)Genoa15.7 m² (169 ft²)

Speed Table (kn)

TWA \ TWS681012141620
52°3.84.75.35.86.16.26.2
60°4.25.05.76.16.36.46.4
75°4.55.46.06.36.56.87.0
90°4.55.46.06.36.66.97.3
110°4.15.15.86.26.56.87.4
120°3.94.85.66.16.46.77.3
135°3.44.35.15.76.26.47.0
150°2.93.84.65.35.86.26.7
Beat VMG2.43.03.43.74.04.14.0
Run VMG2.63.44.14.85.45.96.5

Pricing

We don't have market pricing data for the MG SPRING 25 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 25.5ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.0K – $2.6K
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

10 reported issues across 7 systems for the MG SPRING 25, compiled from owner reports in sailing forums and owner-association material.

4 critical3 major3 minor
Deck2Rudder2Structural2Hull1Rigging1Keel1Engine1

Unlock the full inspection report

Thinking of buying a MG SPRING 25? 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 10 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 MG SPRING 25?

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?

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

Used sails that fit the MG SPRING 25

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