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2data points analyzed by Sailpages.com to compile this CATALAC 11M buyer’s report
CATALAC 11M

CATALAC 11M

Hythe Marine ServicesπŸ‡¬πŸ‡§Β· Design: Tom Lack/J. Winterbotom
$170,000 avg$170,000 – $170,000 (1 listings)from 1990
$2.0K – $5.3K est. annual maintenance
Catamaran / MultihullmultiMasthead SloopTwin/Triple

Specifications

Hull

LOA35.76 ft
Beam15.42 ft
Draft2.76 ft
Displacement13,000 lb

About the CATALAC 11M

Based on CATALAC 10M with extended stern.

Sailpages Buyer's Take

The Catalac 11M is a rare, single-year production catamaran designed by Tom Lack and J. Winterbotom and built by Hythe Marine Services (UK) in 1990. With a build count of ? hulls, this 35.76 ft LOA vessel represents a unique entry in the late-80s/early-90s UK catamaran market.

Best for:
This boat suits coastal cruisers and weekend sailors seeking a stable, shallow-draft platform with a 2.76 ft max draft, ideal for accessing protected bays and estuaries.
Bluewater capability:
With a displacement of 13000.0 lb and a conservative capsize ratio of 2.63, the boat offers reasonable stability for coastal passages, but its limited build history and lack of extensive bluewater owner reports suggest caution for extended offshore voyages.
Comparables:
Comparable to other late-80s/early-90s UK-built catamarans like the Lagoon 380 or Fountaine-Pajot models of similar era, though the Catalac 11M is distinct for its specific twin/triple keel configuration and smaller production run.

Performance

Capsize2.63
SA/Disp17.4

Market Price

Low
$170,000
Average
$170,000
High
$170,000
Based on 1 listings across 2 marketplaces

Estimated Cost of Ownership

Based on 35.76ft LOA. Actual costs vary by condition, usage, and local rates.

$/ft/mo
Annual Maintenance
$2.0K – $5.3K
Hull, rigging, sails, engine service
Annual Docking
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Annual Insurance
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Known Issues & Pre-Purchase Inspection

We don't have enough data on the CATALAC 11Myet to publish model-specific findings we'd stand behind β€” but here's a free general inspection checklist, built from our research into what actually goes wrong on boats of this kind.

Drawn from 7,029 documented issues across 2,391 models, ordered so the areas that most often turn up problems come first.

1Structural & Bulkheads9732Standing Rigging6403Deck & Topsides6404Keel & Keel Bolts5535Rudder & Steering5086Hull & Bottom377
Free general pre-purchase checklist
25 survey areas β€” hull, keel, rig, engine, electrical and more. Take it aboard when you view any boat.

Own a CATALAC 11M? Reports from owners are what turn this into a model-specific checklist β€” and they're the reason the boats above it have one.

Similar Sailboats

Which engine powers your CATALAC 11M?

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

Already know your engine? Search all engines β†’ to find its exact parts.

Used sails that fit the CATALAC 11M

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