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46data points analyzed by Sailpages.com to compile this CATALAC 900 buyer’s report
CATALAC 900

CATALAC 900

Tom Lack CatamaransπŸ‡¬πŸ‡§Β· Design: John Winterbotom
from 1993
$1.3K – $3.5K est. annual maintenance
Catamaran / MultihullmultiMasthead Sloop

Specifications

Hull

LOA30 ft
LWL27.83 ft
Beam13.92 ft
Draft2.5 ft
Displacement8,000 lb
Hull speed1.34·√LWL7.1 kn

About the CATALAC 900

A later, pilothouse version of the CATALAC 9M from a different builder. Power Options: 2x10hp Volvo, or 2 Yanmar 2YM (14hp) or Nanni 2x14hp

Sailpages Buyer's Take

The Catalac 900 is a 30.0 ft wide-beam catamaran designed by John Winterbotom and built by Tom Lack Catamarans (UK) in 1993. With a displacement of 8000.0 lb and a beam of 13.92 ft, this model represents a compact, stable platform from the early 1990s British catamaran market.

Best for:
This boat suits coastal cruisers and weekenders who prioritize interior volume and stability over high-speed performance, given its low Comfort ratio of 13.02 and moderate D/L ratio of 165.69.
Bluewater capability:
With a Capsize ratio of 2.79 and a max draft of 2.5 ft, the boat is suitable for protected coastal and nearshore passages but lacks the heavy displacement and deep keels typically preferred for serious bluewater voyaging.
Comparables:
Comparable boats include other early 1990s British-built 30-foot catamarans like the Lagoon 300 or Fountaine-Pajot A30, which share similar beam-to-length ratios and target the same coastal cruising demographic.

Performance

Comfort13.0
Capsize2.79
SA/Disp16.9
Disp/Len166

Pricing

We don't have market pricing data for the CATALAC 900 yet. If you own one, help other buyers β€” what did you pay for it? Reports build a community price estimate over time.

Estimated Cost of Ownership

Based on 30ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$1.3K – $3.5K
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 CATALAC 900, compiled from owner reports in sailing forums and owner-association material.

1 critical2 major1 minor
Rudder2Electrical1Engine1

Unlock the full inspection report

Thinking of buying a CATALAC 900? This is an in-depth report on the faults this model is known for β€” so you know exactly what to check when you walk the boat. For the price of a coffee.

  • βœ“ All 4 specific issues β€” severity, symptoms & fixes
  • βœ“ Model-specific pre-purchase inspection checklist
  • βœ“ Downloadable PDF to take to your surveyor β€” yours to keep

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

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Engine Parts & Maintenance

The engines most commonly fitted to this model. β€œAll parts” opens the engine's full catalogue; each part links to a matching listing on Amazon or eBay matched to its part number.

Don't see your engine listed? Search all engines β†’ to find parts for the exact engine fitted to your boat.

Prices are reference figures β€” confirm the current price on Amazon. Always confirm fitment against your engine's model and serial before ordering. As an Amazon Associate we earn from qualifying purchases.

Used sails that fit the CATALAC 900

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