Name: Excess 11
Brand: Excess Catamarans

Design

Designer: Patrick le Quément
Naval architect: VPLP design
Interior designer: Nauta Design

Summary

Sailing CatamaranSailCE A

Length overall: 37.5 ft
Beam: 21.6 ft
Draft: 3.8 ft
Air draft: 56.7 ft
Displacement: 19,842 lb
Cabins: 3–4
Berths: 6–12
Steering wheels: 2

* A standard reference image, not the actual boat — shown to help visualise this model's published dimensions.

Best Suited For

Bluewater Cruising
From the published figures: CE Category A · LOA 11.42 m · fresh water 300 L
Short-Handed
From the published figures: LOA 11.42 m · mainsail 57.5 m²
Liveaboard
From the published figures: LOA 11.42 m · 4 cabins · 2 heads · fresh water 300 L

Tags are derived from certified class, length, sail area, accommodation and tankage using the criteria described on the Sources page; an editor may add or remove one.

Sailing Ratios

Classic yacht-design ratios worked out from the builder's published figures, each shown against the bands designers read it by.

Sail area / displacement

How much sail the boat carries for its weight — its power in light air.

21.1· Performance

How it is worked out

sail area (ft²) ÷ (displacement as ft³ of seawater)^⅔

mainsail + genoa, added up

Displacement / length

How heavy the boat is for its waterline length. Lower is lighter and quicker; higher is steadier and roomier.

not published: waterline length

How it is worked out

displacement (long tons) ÷ (0.01 × waterline length in ft)³

Most builders publish a light displacement. The ratios were defined on a loaded boat, so every boat here reads a little lighter than a surveyor's figure would — all alike, which keeps them comparable.

Tanks

What the builder publishes about how fast, how strong and how much the boat carries.

Fuel and water on one scale: a tank twice the height holds twice as much.

Fuel106 gal
Water79 gal
7 gal of water per berth

Design Category

Certified CE design category A (Ocean): the wind and waves the EU Recreational Craft Directive says this boat is designed to take.

D
Sheltered waters
Wind
up to Beaufort 4
Waves
up to 0.3 m
C
Inshore
Wind
up to Beaufort 6
Waves
up to 2 m
B
Offshore
Wind
up to Beaufort 8
Waves
up to 4 m
AThis boat
Ocean
Wind
above Beaufort 8
Waves
above 4 m

Design limits set by the EU Recreational Craft Directive (2013/53/EU), in significant wave height. A category covers the conditions of those below it. It is the limit the boat was designed to, not a promise that it is safe in any conditions within it — that judgement stays with the skipper.

Dimensions

LOA: 37.5 ft (11.42 m)
Hull length: 37.2 ft (11.33 m)
LWL: —
Beam: 21.6 ft (6.59 m)
Draft (min): 3.8 ft (1.15 m)
Draft (max): —
Air draft: 56.7 ft (17.27 m)
Displacement: 19,842 lb (9,000 kg)
Ballast: —
Cabins: 3–4
Heads: 2
Berths: 6–12

Sail Plan

Main sail: 619 ft² (57.5 m²)
Jib: —
Genoa: 350 ft² (32.5 m²)
Sail area: —
Downwind sail area: 581 ft² (54 m²)
Rig type: —

Engine and Tanks

Engine: 29 hp
Engine count: 2
Engine manufacturer: —
Propulsion type: —
Fuel capacity: 106 gal (400 L)
Fresh water capacity: 79 gal (300 L)
Black water capacity: —

Construction

Mast material: —
Hull material: —
Deck material: —
Keel type: —
Rudder type: —
Steering wheels: 2

Builder's Own Figures

Charger/inverter (hybrid): 8 KVA
Black water capacity: 160 L
Electrical engines (hybrid): 2x 10kW (POD underwater)
Lithium batteries (hybrid): 4x 230A + 4x 230A
Generator (hybrid): 22 KVA

Brochure

Download the official Excess 11 brochure (PDF)

About Excess Catamarans

Volume production

French builder of sporty sailing catamarans, part of Groupe Beneteau, launched with the Excess 12 and Excess 15.

Visit brand page

The Excess Catamarans Range

Every model Excess Catamarans publishes, by length — where this one sits in the range.

Excess 1445.8 ft
Excess 1342.6 ft
Excess 11· this model37.5 ft

By the Same Designers

Boats this boat's designers also drew, for other builders too. Credits are grouped only where the names clearly agree, however each builder spelled them; an unclear one is left out.