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1981 Tartan

Niceville, Florida, United States
$49,900 USD
Condition: Good

1981 Tartan 37 Boat Name - WYRD

Hull #309, her layout is spacious and inviting. Many items have been updated topside and as well as below. She has all new upholstery; 300 watts of solar, outboard engine lift, and a 16000 BTU air conditioner. Interior lights have been replaced with LED’s, the refrigeration, inverter, charger, head, port light gaskets & closures and bilge pumps have all been replaced recently.

Keel: Center Board Dimensions LOA: 37 ft 3 in Beam: 11 ft 9 in LWL: 28 ft 6 in Minimum Draft: 4 ft 2 in Displacement: 15500 lbs. Ballast: 7500 lbs.

Engine:1981 Westerbeke W50 Engine/Fuel Type: Diesel Drive Type: Direct Drive Engine Power: 42 New Transmission (2016) Fresh Water Tanks: 90 Gallons Total Fuel Tanks: 1 (53 Gallons) Holding Tanks: 1 (35 Gallons) Number of cabins: 2 Number of heads: 1

Accommodations Large V-berth; 6’ 3” long and 7’ 3” wide Access to anchor locker forward 2 hanging lockers with drawers port and starboard Private access to head Separate door can close off forward cabin 2 opening ports Overhead hatch Just outside the compartment is another hanging locker Holding tank and storage under V-berth

Main Cabin L shaped settee to port with storage behind Teak lockers and shelf space behind Teak drop leaf table that folds flat against bulkhead Conventional starboard settee that slides out to provide more width for sleeping Pilot berth above starboard settee that doubles as storage space Hanging locker forward of starboard settee Two 45 gal water tanks; one under port and starboard settee Quarter Berth Large quarter berth that converts to a double with fold up Nav station seat 53 gallon fuel tank under berth -All new interior upholstery (2020)

Interior Finish Teak and holly cabin sole Teak hull sides Portlights with screens (2019) Four dorades for ventilation Reading lights 110V receptacles Headliner (2016)

Galley To starboard at the base of the companionway is a well-designed sea galley. A generous 7 cubic feet icebox has two lids for easy access. The stove is oriented along the hull side. Facing aft you have a double stainless-steel sink with cabinet beneath, and to the left is a dry bin beneath the countertop.

-3 Burner Force 10 Propane Stove (2019) -Refrigeration Isotherm w/freezer box (2019) -Double stainless-Steel Sink -Hot & cold pressure water -Storage cabinets

Head Double door entry (from salon and forward cabin) Stainless steel sink Hot & cold pressure Water Marine toilet w/holding tank Macerator for overboard discharge Medicine Cabinet with mirror Shower area with teak grate for draining

Navigation & Quarter Berth Aft of the settee on port, the forward facing nav station has a large chart table with plenty of storage beneath the lid. Above and behind is a shelf for small items; below is a stack of three drawers for tools, parts, etc. To the left when seated, a locker door opens to a large storage space. The seat back can be lifted out and repositioned to enlarge the sleeping area of the quarter berth. - Standard Horizon VHF (2016) - Fusion MS-RA70N Bluetooth Stereo (2018) - Battery Monitor (2017) - Xantrex Inverter (2020) - Battery Charger (2020) - Battery Charger Remote (2020) - DC Main Panel - DC Subpanel (2019) - Bilge Alarm (2020) - Garmin GPSmap 741xs (2016) - USB Outlets - 12 Volt Outlet - 120 Volt Main Panel (2019) - 2 House Batteries (2019). - 1 Start Battery (2019) - AIS

Inside Equipment - Electric Bilge Pump (2017) - Manual Bilge Pump - Air Conditioning/Heating (2016) -Water Heater (2019)

Sails - Partial Battened Mainsail - Furling Genoa 110 (Nov. 2019) - Mainsail Cover

Electrical Equipment - Shore Power Inlet - Shore Power Cord

Hull & Deck - Zarcor Companionway Doors (2019) - Companionway Cover - Companionway Hatch Boards - Swim ladder - Outboard engine bracket - Bimini w/Dodger (2018) - 3 100-Watt Solar Panels (2019) - 2 Cockpit folding chairs - 2 Throwables - 4 Type II Life Jackets - Edson Pedestal w/Cover - Cockpit Table - Nav Pod (2016) - 45lb Delta anchor w/90ft G4 HT chain and 5/8 rode 200ft (2020) - Lewmar windlass (2020) - Rewired Mast (2017) - LED Mast Lights (2017) - LED Spreader Lights (2017) - PA Horn on Mast (2017) - Cockpit Shower (2019) - Cockpit Lights (2017) - Teak Grab Rails (2020) Centerboard was repaired and the pennant replaced in 2017. Everything under the waterline - bottom, shaft, strut, cutlass bearing, rudder, and centerboard was replaced or repaired.

Cockpit Electronics - Garmin GPSmap 742xs Chartplotter (2019) - Garmin GMI 20 Wind Instrument/Transducer (2016) - Garmin GNX 20 Gauge (2016) - CPT Autopilot (2018) - VHF Remote (2016) - Westerbeke Instrument Panel w/Cover - AIS -Engine hours unknown. Hour meter did not work when purchased and has since been replaced.

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Sparkman & Stephens
Tartan Yachts
# Built
Centerboard + Stub
FG w/balsa cored hull & deck
Also Known As
Tartan 37C, S&S design #2253


Length Overall
37 2 / 11.3 m
Waterline Length
29 5 / 9 m
11 8 / 3.6 m
4 2 / 1.3 m 7 8 / 2.3 m
15,500 lb / 7,031 kg
7,500 lb / 3,402 kg (Lead)

Rig and Sails

Reported Sail Area
625′² / 58.1 m²
Total Sail Area
625′² / 58.1 m²
Sail Area
249′² / 23.1 m²
41 6 / 12.7 m
12 0 / 3.7 m
Air Draft
Sail Area
376′² / 34.9 m²
47 0 / 14.3 m
16 0 / 4.9 m
Forestay Length
49 6 / 15.1 m

Auxilary Power

Fuel Type
Fuel Capacity
47 gal / 178 l
Engine Hours


Water Capacity
90 gal / 341 l
Holding Tank Capacity
16 gal / 61 l


Hull Speed
7.8 kn
Classic: 7.27 kn

Hull Speed

The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.


Classic hull speed formula:

Hull Speed = 1.34 x √LWL

A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.

Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL

7.84 knots
Classic formula: 7.27 knots
Sail Area/Displacement
16-20: good performance

Sail Area / Displacement Ratio

A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.


SA/D = SA ÷ (D ÷ 64)2/3

  • SA: Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
  • D: Displacement in pounds.
<16: under powered
16-20: good performance
>20: high performance
>40: stiffer, more powerful

Ballast / Displacement Ratio

A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.


Ballast / Displacement * 100

<40: less stiff, less powerful
>40: stiffer, more powerful
200-275: moderate

Displacement / Length Ratio

A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.


D/L = (D ÷ 2240) ÷ (0.01 x LWL)³

  • D: Displacement of the boat in pounds.
  • LWL: Waterline length in feet
<100: ultralight
100-200: light
200-300: moderate
300-400: heavy
>400: very heavy
Comfort Ratio
20-30: coastal cruiser

Comfort Ratio

This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.


Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)

  • D: Displacement of the boat in pounds
  • LWL: Waterline length in feet
  • LOA: Length overall in feet
  • Beam: Width of boat at the widest point in feet
<20: lightweight racing boat
20-30: coastal cruiser
30-40: moderate bluewater cruising boat
40-50: heavy bluewater boat
>50: extremely heavy bluewater boat
Capsize Screening
<2.0: better suited for ocean passages

Capsize Screening Formula

This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.


CSV = Beam ÷ ³√(D / 64)

  • Beam: Width of boat at the widest point in feet
  • D: Displacement of the boat in pounds
<2: better suited for ocean passages
>2: better suited for coastal cruising


From BlueWaterBoats.org:

The Tartan 37 is considered one of today’s classic cruising yachts. Designed by Sparkman and Stephens with a lot of direct input from Tartan Yachts, the boat was introduced in 1976. Initially conceived as a boat that could be sold as a racer as well as a cruiser, it was the shoal draft centerboard cruiser that really took off with a remarkable 486 boats built.

The boat is known for its sound construction quality and smart sailing abilities and moderate pricing. Owners unanimously love their Tartans.


The collaborative project that was to become the Tartan 37 started the spring of 1975 when Tartan Yachts founder, Charlie Britton commissioned Sparkman and Stephens to design a new 37 footer. This wasn’t the first project between the two companies, there was already string of successful collaborations from as earlier as 1961 with the Tartan 27.

The 37 was initially was specified as a boat that could be sold as a sloop or a ketch, and there was to be a cruising version and a race version. As the design progressed the ketch was dropped and the racer with its deep fin keel and tall rig was renamed the Tartan 38 while the Tartan 37 became the cruising version available in both fin keel or shoal draft centerboard.

The boat was introduced in 1976 with the first boats off the mold being the Tartan 38 racer. They were well received by the market in general. It’s reported the racer did not perform as well as Britton had hoped but the cruising version on the other hand became particularly popular.

Later boats offered a Scheel keel option as well as an option for a tall rig similar to the racer. It’s estimated around 10% were deep keel boats. In total 486 hulls were produced between 1976-1988.


For a boat designed in the mid 1970s the hull looks remarkably modern. There’s a generous rake in the bow, the sheer line is quite straight which sweeps back to a reverse transom. From above the hull has a diamond shape and is quite beamy for the era.

Below the waterline most boats have the centerboard option which entails a long and shallow fin keel, with a centerboard that swings up from 7′ 9″ to a useful 4′ 2″ of draft in shoal waters. The optional deep fin keels draw 6′ 7″ and a Scheel keel 4′ 7″. The rudder sits as far back as it can below the reverse transom, hung from its protective skeg.

The rig draws the influence from IOR racers of the day with a large foresail and small mainsail, a configuration that has proven to be easy to single hand. The rigs came in standard 52′ 0″ as well as tall 53′ 8″.

Interior and Layout

Down below, the interior is traditional, however with close to 12 feet of beam, the Tartan 37 is larger than you might expect. Teak veneer and trim is used abundantly and white formica is used overhead. Overall, the level of joinery work is very good.

In the forepeak, the two single berths can be converted into a double with an insert. Moving further back the head is to port and has a integral shower, the arrangement is tight but functional. In the salon the settees are offset, the starboard one serves well as a sea-going berth and the port settee can be converted into a double. Further aft on port is the nav-station next to the companionway and a double quarter-berth, something of a luxury in a boat this size. Opposite is a functional U-shaped galley.


The hull is hand-laid fiberglass with end-grain balsa coring to improve stiffness without sacrificing weight. In areas of high stress such as the mast-step, through-hull fittings, chainplate terminals, engine supports and keel sections the coring is tapered into solid fiberglass. The deck enjoys the same construction method with a good non-skid surface molded into all flat areas. The hull-to-deck join consists of an internal flange bedded with butyle and polysulfide and bolted to the deck on 8-inch centers. Through the years this join has proven to be a strong and dry. In general, the quality of construction is exemplary and considered the among best to be found in production yachts.

Under Sail

By rights, nobody should expect a shoal draft centerboard cruiser to break any records, however some of the race intent from the original spec shines through every now and again. For example, Steve Pettingill broke a record in the Port Huron to Mackinac Island single-handed race with his fin keel configured Ambergris. The boat is certainly capable of fast and comfortable 24-hour runs when passage-making.

The Tartan 37 has a reputation for being stable with acceptable upwind performance, but really excels downwind on a reach. The rudder is efficient and provides plenty of control and the boat is relatively dry, especially when configured with a decent dodger. The boat is known to be easy to single hand and fun to sail.

Buyers Notes

The Tartan 37s are moderately priced and offer good value. They have maintained their values due to quality contructions, good reputation and a loyal following among owners. There is an active Tartan 37 owners association, it’s recommended buyers join the forum at Tartan37.com for further research.

Prices will depend on age and condition. As of 2010 the asking price for Tartan 37s are in the range of:
1976-1981 $30k – $65k USD
1982-1986 $45k – $75k USD

Links, References and Further Reading

» Tartan 37 Sailing Association, history, resources and owners forum
» Tartan 37 Review, by Jack Horner, BoatUS.com
» Cruising World Magazine Review of the Tartan 37
» Tartan Owners Association (TONE), owners of Tartan yachts in the North East.



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