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Excess 12 is a Cruising catamaran built by Excess Catamarans and designed by VPLP Design. Her first hull was built in 2019 with an overall lengh of 11.74 m or 38.6 ft long and a Deck stepped mast mast configuration.

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EXCESS 12 Sailboat Specifications​


Overall Length (LOA) m / ft11.74 m / 38.6 ft
Builder(s)Excess Catamarans
Designer(s)VPLP Design
categoryCruising catamaran
Hull TypeCatamaran
First Hull Built2019
Last Hull BuiltStill in production
AppendagesSkegs skeg on each hull
HelmTwin helm wheels
RudderTwin spade rudders
CockpitOpen aft cockpit
Rigging TypeSloop Marconi (square top mainsail) fractional
Mast LayoutDeck stepped mast
Freshwater Tank Capacity lt/gal300 L / 79.3 gal


Overall Length (LOA) 11.74 m / 38.6 ft
Hull Length11.46 m / 37.7 ft
Waterline Length (LWL)11.46 m /
Beam (width)6.73 m / 22.1 ft
Draft1.35 m / 4.5 ft
Light Displacement (MLC) 10300 kg / 22708 lb
Maximum Displacement10300 kg / 22708 lb


Displacement-Length Ratio (DLR)190.71
Sail Area to Displacement17.68
Upwind Sail Area to Displacement17.32 m²/T / 186 ft²/T
Downwind Sail Area to Displacement24.72 m²/T / 266 ft²/T

Above Deck

Mast LayoutDeck stepped mast
Mast Height from DWL18.27 m / 59.11 ft
Rotating SparsNo
Number of Levels of Spreaders1
Spreaders AngleSwept-back (diamond)
Spars ConstructionAluminum spars
Standing Rigging1x19 strand wire discontinuous
Reported Sail Area82.00 m² / 882.64 ft²
Upwind Sail Area82 m² / 883 ft²
Downwind Sail Area117 m² / 1259 ft²
Mainsail Area50 m² / 538 ft²

Engine Room

Engine(s)2 inboard engines
Fuel typeDiesel
Fuel Tank Capacity440 L / 116.2 gal

Below Deck

Fridge Capacity130 L / 34.3 gal