Alberg 30
Masthead Sloop · Long Keel · 1962–1987
A 25-year production classic with a heavy displacement-to-length ratio that remains a capable choice for offshore passages
Designed by Carl Alberg, built by Whitby Boat Works Ltd.
- LOA
- Beam
- Draft (max)
- Displacement
- Ballast
- Hull type
- Long Keel
See her sail
The Alberg 30, on the water
The fleet's own footage — the truest look at how she really moves.
Footage from Sailing Triteia
Is it for you?
Character
Where this design lands on the numbers a shopper trusts — read straight from her own ratios.
LivelyComfort 32Sea-kindly
CoastalCapsize 1.69Bluewater
LightD/L 395Heavy
EasygoingSA/D 15.2Powered-up
TenderBallast 37%Stiff
Built heavy and sea-kindly — a boat made to cross oceans and forgive a rough night.
The living fleet
Sailed by the fleet
The channels sailing this model, and where they were last seen.
Seen 81 times across 3 channels of the fleet.
On the water
The Alberg 30 on video
The Last Adventures in Thailand: Exploring the World Famous James Bond Island and Next Hong IslandSailing TriteiaExploring A Bat Cave & Sailing Through The Magical Islands of ThailandSailing TriteiaRemoving My Old Diesel Engine & Getting the Beta Marine Onboard to Install in ThailandSailing TriteiaNEW GEAR! Triteia Gets New Anchor Chain, New Dinghy, New Whisker Pole and Testing an Old Life Raft!Sailing TriteiaStarting the Fiberglass Layup on My New Rudder for TriteiaSailing TriteiaSailing to Ao Po Marina while Battling an Unreliable Outboard Motor in ThailandSailing TriteiaBattling Light Winds and a Strong Current While Attempting to Sail to a Boat Yard in PhuketSailing TriteiaUnboxing and Installing a New Pelagic Auto Pilot from Scanmar InternationalSailing TriteiaVictoria's last day in Phuket before Flying Back Home to San DiegoSailing TriteiaBONUS UNEDITED FOOTAGE: Sailing off and onto anchor Phuket in high winds.Sailing TriteiaFantastic Sailing to Phuket, Thailand!!!! Goodbye to the Phi Phi IslandsSailing TriteiaSwimming in Emerald Cave on Koh Mook Island & Battling the Outboard EngineSailing Triteia
Also on YouTube
- Visiting a Tea Plantation and a Buddhist Temple with Paul from Galle in Sri LankaSailing Triteia
- Sri Lanka Adventures! Seeing Crocodiles, Sloth Bear, Elephants, Leopards and More on SafariSailing Triteia
- OUTTAKES from the Sri Lanka Passage filmsSailing Triteia
- Leaving Thailand & Sailing Solo Into the Bay of Bengal and Starting Across The Indian OceanSailing Triteia
- WHY WOULD SOMEONE DO A $46,000 REFIT ON A 61 YEAR OLD 30FT BOAT???????Sailing Triteia
- Triteia Goes Back in the Water and Sets Off To Explore Thailand's Magical Islands!Sailing Triteia
- Sailing Alone in the Indian Ocean to Sri Lanka Across the Bay of BengalSailing Triteia
- New High Performance Sails from Rolly Tasker Sails in Phuket, Thailand!Sailing Triteia
What broke, what changed
Gear aboard, as the crews told it
Moments from individual boats of this model that the fleet has filmed — one crew, one piece of kit, one day on the water. Not a review of the class, and not a count of anything.
ReplacedYanmarin place of Beta Marine, Beta 20 engine
The old engine was removed to make way for the new one.
aboard Sailing Triteiaseen June 20266:59
ReplacedRaymarinein place of Pelagic autotiller
The previous Raymarine autotiller was too weak and unreliable for solo sailing.
aboard Sailing Triteiaseen April 20268:24
ReplacedTorqeedo
James used to have a Torqeedo outboard motor
aboard Sam Holmes Sailingseen March 20263:20
FailedIridium
The satellite communication unit experienced a recurring hardware failure, rendering it unusable.
aboard Sailing Triteiaseen July 202647:34
FailedPredictWind
The Iridium Go unit, supplied by Predictwind, failed unexpectedly.
aboard Sailing Triteiaseen July 202649:58
FailedDyneema
The speaker notes that his existing lashings are wearing through.
aboard Sailing Triteiaseen April 202642:10
FailedHighfield
The speaker attempted to repair a damaged Highfield dinghy, but the repairs were ultimately unsuccessful.
aboard Sailing Triteiaseen February 20262:02
FailedVictron
The Victron battery charger was not powerful enough to fully top up the new 320 Ah batteries.
aboard Sailing Triteiaseen January 202613:03
FailedGarmin
Garmin, as the owner of Navionics, discontinued chart sales and updates for Southeast Asia, creating a dangerous situation.
aboard Sailing Triteiaseen July 20251:32
FailedNavionics
The speakers Navionics charts for Southeast Asia were removed after their subscription ended, despite auto-renewal.
aboard Sailing Triteiaseen July 2025watch
Each line is one crew's account of their own boat. Another Alberg 30 may be fitted out entirely differently.
The record
Full specifications
The complete reference set — tap any figure to switch between metric and imperial.
Dimensions
Weights
Ballast / displacement
36.7%
Rig & sail area
Rig
Masthead Sloop
Ratios
SA / displacement
15.2
Displacement / length
394.8
Comfort ratio
31.9
Capsize screening
1.69
Hull speed
6.2 kn
Pounds / inch immersion
678
Hull
Hull type
Long Keel
Construction
Fiberglass
Ballast type
Iron
Production
Years built
1962–1987
Units built
700
Designer
Carl Alberg
Builder
Whitby Boat Works Ltd
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.
Cape Dory 288.56 mSame hull family0.7 m shorterA classic Carl Alberg full-keel masthead sloop designed for steady, comfortable cruising
Pacific Seacraft Orion 279.42 mSame hull family0.2 m longerA heavy-displacement cutter designed by Henry Mohrschladt for offshore stability and traditional long-keel handling
Cape Dory 30C9.21 mSame hull familyNear-identical lengthA cutter-rigged cruiser with a full keel and a 1.27-metre draft, built for steady performance between 1976 and 1987
Sea Sprite 309.20 mSame hull familyNear-identical lengthA 9.2-metre cruiser with a 41% ballast ratio, delivering a stiff and steady motion for coastal passages
Vancouver 278.23 mSame hull family1.0 m shorterA Robert B. Harris-designed cutter with a long keel, built across two continents to provide a stiff, comfortable passage
Falmouth Cutter 229.30 mSame hull familyNear-identical lengthA narrow-beamed 30-foot cruiser with a shallow 1.07-meter draft and a traditional long-keeled hull
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.
Alberg 37A long-keeled masthead sloop produced for two decades with a transition from wood-heavy interiors to molded fiberglassAlberg 29A Carl Alberg-designed masthead sloop featuring a traditional long keel and a heavy displacement for steady cruisingAlberg 34A heavy-displacement masthead sloop with a long keel and a high comfort ratio, designed for stable offshore cruisingAlberg 22A versatile 6.7-metre cruiser originally sold as a kit or under the Douglass and North American namesAlberg 35A 1960s-era masthead sloop with a 42% ballast ratio, built for steady tracking and traditional offshore handlingAlberg 23A 1970-era fractional sloop with a long keel that was marketed as a variation of the Sea Sprite 23 Weekender
Keep asking
The fleet has more to say
Search what's been said about the Alberg 30, or ask a specific question — the answer comes back written out, with links to the moments it draws on.
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