BoatsVivacity 21

Vivacity 21

Masthead Sloop · Twin keels · First built 1970

A twin-keeled masthead sloop designed by Alan F. Hill for shoal-draft cruising and drying out in tidal harbors

Designed by Alan F. Hill & D. Pollard, built by Russel Marine Ltd.

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Twin Keel

Is it for you?

Character

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

TrailerableBeam 2.19 m — inside the 2.55 m no-permit tow width across most of Europe, and the 2.59 m US and Canadian limit. About 1,134 kg of hull, so roughly 1,750 kg on a trailer: check that against your own towing rating.Ramp-launchableAbout 1,134 kg of hull, with a keel that raises or a draft shallow enough to float off a trailer — she can go back on the trailer at the ramp, not only into the water.Shoal draftDraws 0.71 m, board up where she has one — creeks, sandbars and thin anchorages most keels have to stay out of.
LivelySea-kindly

Her light displacement on a moderate beam gives 14 — a quick, lively motion that feels every wave.

Comfort ratio 14
CoastalBluewater

2.12 — right around the 2.0 line, the edge between coastal and offshore.

Capsize screening 2.12
LightHeavy

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

Displacement / length 156
EasygoingPowered-up

17.7 — moderate power for her weight; steady, all-round performance.

Sail area / displacement 17.7
TenderStiff

44% of her weight is ballast — stiff, standing up well to her sails.

Ballast 44%

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

  • Draws less than ~92% of boats her size on file
  • Narrower than ~82% of boats her size on file

Compared with 808 boats of the same type within a quarter of her length.

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
44.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
17.7
Displacement / length
156.5
Comfort ratio
14.1
Capsize screening
2.12
Hull speed
5.9 kn
Pounds / inch immersion
493
Hull
Hull type
Twin Keel
Construction
Fiberglass
Production
Years built
First built 1970
Designer
Alan F. Hill, D. Pollard
Builder
Russel Marine Ltd, Russell Marine Ltd

Boats like this, on the water

Nobody has filmed this one — but these are close.

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.

Sirius 7277.27 mSame hull family0.8 m longerA development of the Sirius 24, this fractional sloop features a fin keel with skeg-mounted rudder for balanced handling
J Boats Tillotson Pearson J/247.32 mSame hull family0.8 m longerThe world's most popular one-design keelboat, featuring a light 1406kg displacement for responsive, agile handling
Bavaria Yachts 6066.50 mSame hull familyNear-identical lengthA lightweight 6.5-meter fractional sloop with a high sail-area-to-displacement ratio for spirited coastal sailing
Dehler Yachts 25CR7.50 mSame hull family1.0 m longerA Van de Stadt-designed fractional sloop with a high sail area-to-displacement ratio built for spirited performance
J J/77.04 mSame hull family0.6 m longerA 2024 fractional sloop with a shallow 1.16m draft and a high 23.55 sail-area-to-displacement ratio for responsive daysailing
Marieholm Boats S-206.00 mSame hull family0.5 m shorterA short-run 1970s fractional sloop with a fin keel and transom-hung rudder, designed for coastal agility

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.

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