BoatsO'day 30

O'day 30

Masthead Sloop · Fin keel, spade rudder · 1977–1984

A 9.12-metre masthead sloop with a fin keel and spade rudder, later evolved into the O'Day 31

Designed by Hunt, Associates, Raymond Hunt (C. R. Hunt & Assoc.).

LOA
Beam
Draft (max)
Displacement
Ballast
Hull type
Fin w/spade Rudder

See her sail

The O'day 30, on the water

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

Footage from Practical Sailor

Is it for you?

Character

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

LivelySea-kindly

Her heavy displacement on a beamy beam gives 26 — a moderate, middle-of-the-road motion.

Comfort ratio 26
CoastalBluewater

1.97 — just under the 2.0 offshore line; her beam is modest for her weight.

Capsize screening 1.97
LightHeavy

285 — heavy for her waterline, built to carry stores and ride steadily.

Displacement / length 285
EasygoingPowered-up

14.8 — modest power for her weight; easygoing rather than lively, and happier with a breeze.

Sail area / displacement 14.8
TenderStiff

40% of her weight is ballast — moderately stiff, a middle-of-the-road stability.

Ballast 40%

A capable cruiser that sits just inside the offshore line — coastal work with real passages in her.

What the fleet has seen

The O'day 30, as the fleet has seen it

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

The O'day 30 is a masthead sloop designed by Hunt Associates (Raymond Hunt) and built by O'Day Corp. between 1977 and 1984.7:17 It measures 9.1 meters LOA with a 3.3-meter beam and 1.5-meter draft, displacing 4762 kg. The hull features a fin with a spade rudder. A keel/centerboard model was also available, offering a draft of 2.19 meters with the board down and 1.07 meters with it up. The O'day 30 was later reintroduced with an extended stern as the O'day 31 in 1985.7:17

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The O'day 30 on video

The record

Full specifications

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

Dimensions
Weights
Ballast / displacement
40.0%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
14.8
Displacement / length
285.4
Comfort ratio
25.6
Capsize screening
1.97
Hull speed
6.8 kn
Pounds / inch immersion
976
Hull
Hull type
Fin w/spade rudder
Construction
Fiberglass
Ballast type
Lead
Production
Years built
1977–1984
Units built
356
Designer
Hunt, Associates, Raymond Hunt (C.R. Hunt, Assoc.)
Builder
O'Day Corp, Bangor Punta Corp

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.

Catalina Yachts 309.12 mSame hull familyNear-identical lengthOne of the most successful production yachts in history, with over 6,000 hulls built during a 32-year run
Perfect $20,000 Sailboat (Catalina 30 Refit on a Budget) - Ep 358 - Lady K Sailingfrom Lady K Sailing
Cal Boats 309.14 mSame hull familyNear-identical lengthOffered with an optional tall rig, this masthead sloop served as the predecessor to the 2-30 series
Left a multinational, house, and car to live on a 30-foot sailboat | #SAL Clip #1451:32from Hashtag Sal
Spirit 329.48 mSame hull family0.4 m longerA Jacques De Ridder-designed IOR 23-footer built for nearly two decades as a stiff, masthead-rigged fin-keel sloop
E64: Calibrating my Depth Sounder Underwater and Goodbye Makemo!1:40from Wind Hippie Sailing
Tartan Marine 309.12 mSame hull familyNear-identical lengthA Sparkman & Stephens masthead sloop offering versatile interior configurations and a choice of standard or tall rigs
SUPER LOW BUDGET CRUSIING - Ep 236 - Lady K Sailing4:07from Lady K Sailing
Maxi Yachts 959.50 mSame hull family0.4 m longerA 9.5-metre masthead sloop produced for a decade, featuring a skeg-hung rudder for predictable coastal handling
Maxi 95: The world's largest 31-footerfrom SEILmagasinet
Contest 319.50 mSame hull family0.4 m longerA U. van Essen-designed masthead sloop with a high ballast ratio, built for stability and comfort in a compact hull
Becoming the Captain Our Boat Deserves with IYT — Sailing Yabá14:06from Sailing Yabá

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.

O'day 31A C. Raymond Hunt-designed masthead sloop offering a refined, extended evolution of the Ranger 30 platformO'day 28A versatile C. Raymond Hunt design offered with multiple keel and rig configurations for varied coastal cruising needsO'day 32A 9.6-metre masthead sloop with a deep-draft keel-centerboard configuration designed for versatile coastal cruisingO'day 280A masthead sloop featuring a shallow-draft wing keel designed by C. Raymond Hunt for stable coastal cruisingO'day 25A successful decade-long production run defines this 25-foot masthead sloop, built with a versatile keel-centerboardO'day 20A masthead sloop with a keel-centerboard configuration, offering a stable 5.57-knot hull speed for coastal cruising

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