Atoll 23

BoatsAtoll 23

See her sail

The Atoll 23, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from MotionMe

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

TrailerableBeam 2.41 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 1,130 kg of hull, so roughly 1,750 kg on a trailer: check that against your own towing rating.

LivelySea-kindly

Her light displacement on a moderate beam gives 12 — a quick, lively motion that feels every wave.

Comfort ratio 12

CoastalBluewater

At 2.34 she sits above the 2.0 line — beamy for her weight, and happiest coastal.

Capsize screening 2.34

LightHeavy

175 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 175

EasygoingPowered-up

27.6 — a lot of sail for her weight; powered-up and eager, a real performer.

Sail area / displacement 27.6

TenderStiff

42% of her weight is ballast — stiff, standing up well to her sails.

Ballast 42%

Light and lively — happiest day-sailing and coastal-hopping in settled weather.

Lighter than ~80% of boats her size on file
Draws more than ~78% of boats her size on file

Compared with 1137 boats of the same type within a quarter of her length.

What the fleet has seen

The Atoll 23, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Atoll 23 is a fractional sloop designed by Roberto Barros and built by Multiglass in Brazil from 1980 to the present. It has a fin keel with a rudder on a skeg. The boat measures 7.0 meters LOA, with a 2.4-meter beam, 1.5-meter draft, and 1129 kg displacement. Its sail area to displacement ratio is 27.6, and it has a comfort ratio of 12.3.

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Basemap © Wikimedia Commons · CC BY-SA 4.0

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions

Weights

Ballast / displacement

42.0%

Rig & sail area

Rig

Fractional Sloop

Ratios

SA / displacement

27.6

Displacement / length

174.5

Comfort ratio

12.3

Capsize screening

2.34

Hull speed

5.8 kn

Pounds / inch immersion

524

Hull

Hull type

Fin with rudder on skeg

Construction

Fiberglass

Production

Years built

First built 1980

Designer

Roberto Barros

Builder

Multiglass

Boats like this, on the water

More boats like her, on the water

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

J Boats Tillotson Pearson J/247.32 mSame hull family0.3 m longerThe world's most popular one-design keelboat, featuring a light 1406kg displacement for responsive, agile handling

Everything You Think About Sailing Is Wrong3:59 from The Sailing Doodles Podcast

Bavaria Yachts 6066.50 mSame hull family0.6 m shorterA lightweight 6.5-meter fractional sloop with a high sail-area-to-displacement ratio for spirited coastal sailing

Captain's Log Day 3: Things That Go Bump in the Night (3/10)4:19 from Be The Captain

Halcyon 236.93 mSame hull familyNear-identical lengthA triple-keeled masthead sloop by Alan H. Buchanan, offering shallow-draft versatility based on the earlier Crystal 23

Zero Dollar Cruising Dream | Halcyon 23 from Practical Sailor

Sirius 7277.27 mSame hull family0.2 m longerA development of the Sirius 24, this fractional sloop features a fin keel with skeg-mounted rudder for balanced handling

Two Different Ways Sailing Changes Lives | #SAL #2510:15 from Hashtag Sal

J J/77.04 mSame hull familyNear-identical lengthA 2024 fractional sloop with a shallow 1.16m draft and a high 23.55 sail-area-to-displacement ratio for responsive daysailing

J7: Finally an affordable sailboat0:49 from SEILmagasinet

Dehler Yachts 25CR7.50 mSame hull family0.5 m longerA Van de Stadt-designed fractional sloop with a high sail area-to-displacement ratio built for spirited performance

Don't Make The Same MISTAKE We Did [Ep.28]9:27 from Sailing Oceanaire | Wik & Rox

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Tahiti 16A nimble 1975 fractional sloop by Roberto Barros with a high sail-area-to-displacement ratio for spirited light-air sailing Aloa Marine 23RA Jacques Fauroux-designed fractional sloop with a high sail-area-to-displacement ratio built for spirited performance Rio 20A lightweight, high-performance masthead sloop designed by Roberto Barros with a lively sail area-to-displacement ratio Aloa Marine 25A high-performance masthead sloop with a lively sail area-to-displacement ratio, designed by Jacques Fauroux for speed Alo Yachts 28A 1972 Alf Ortang design featuring a skeg-mounted rudder and a ballast-to-displacement ratio of 44% for steady cruising

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