1983 Southern Cross SC35

Marlboro, New York, United States
$35,000 USD
Condition: good

“The Southern Cross 35 is a ruggedly built, double-ended cutter intended for blue water passage-making with safety, comfort, and speed. She was designed by Thomas Gillmer, the professor of naval architecture at the Naval Academy in Annapolis who also penned the first fiberglass boat to circumnavigate the globe, the Allied Seawind 30 Ketch. The Southern Cross 35 is wide-beamed and graced with a sweeping sheerline that keeps her exceptionally dry in a rough seaway. At the same time, a relatively high-aspect rig along with a fin keel and skeg-mounted rudder allow her to combine impressive sea-worthiness with surprisingly lively performance.” from Bluewaterboats.org.

We have been the sole owners of this SC35. The hull was purchased in 1983 and the finished boat was launched in 1988 and has been used for seasonal freshwater sailing ever since. Please feel free to contact by phone or email for additional information.

Equipment: Mechanical: 2004 Yanmar 3JH4E 40hp 3 cylinder diesel, 3 blade propeller

Airex cored fiberglass hull

LOD 35’ LWL 28’ Beam 11’ 5’’ Draft 4’ 11’’ Displacement 17,710 lbs Ballast 5,750 lbs lead

Sail Area 632 sq ft Water 90 gallons Fuel 35 Gallons

Holding Tank 10 gallons plus direct pump out

Edson diaphragm hand bilge pump near helm

Bowmar bronze opening ports

Bowmar and Lewmar hatches

“Metal Mast” mast and booms

Storm trysail track and downwind pole track installed

Barient 27st bronze sheet winches

Barient 22st halyard winches lead to cockpit through forspar roper clutches

Harken main sheet and traveler system

Schaefer blocks

A.B.I anchor windless

Danforth 29 lb Hi-test anchor, 35ft of 5/16in high test chain, 300ft of 5/8in of nylon

C.Q.R. 45lb 200 ft of 3/8in gal. Chain (never used)

Standard rigging 5/16in stainless, sta-lock end fittings, Merriman 1/2 in turnbuckles (like new Condition)

Running rigging mostly original (ok condition)

North sails main and yankee jib (fair condition) , stay sail (good condition, 135% Genoa sail (excellent condition)

Force 10 propane stove and oven

Force 10 Kerosene cabin heater

Marinetics electric panel

Fresh water and sea water foot pumps in galley

Raritan manual head

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About the Southern Cross 39

Thomas Gillmer
C. E. Ryder
# Built
Hull Type
Fin with rudder on skeg
FG/ hull w/ Airex/ Deck w/balsa


Length Overall
39 0 / 11.9 m
Waterline Length
31 0 / 9.5 m
12 11 / 3.9 m
5 3 / 1.6 m
21,000 lbs / 9,525 kg
7,680 lbs / 3,482 kg (Lead)

Rig and Sails

Reported Sail Area
774 ft2 / 71.9 m2
Total Sail Area
774.1 ft2 / 71.9 m2
Sail Area
333 ft2 / 30.9 m2
45 0 / 13.7 m
14 9 / 4.5 m
Mast Height
Sail Area
441.1 ft2 / 41 m2
50 11 / 15.5 m
17 3 / 5.3 m
Forestay Length
53 10 / 16.4 m

Auxilary Power

Fuel Type
Fuel Capacity
50 gal / 189 l
Engine Hours


Water Capacity
120 gal / 454 l
Holding Tank Capacity


Hull Speed
7.46 knots
Sail Area/Displacement
good performance
less stiff, less powerful
Comfort Ratio
moderate bluewater cruising boat
Capsize Screening
better suited for ocean passages


From BlueWaterBoats.org:

The Southern Cross 39 is a no nonsense double-ender following the theme of her two smaller siblings the Southern Cross 31 and Southern Cross 35. Designed by Thomas Gillmer, a professor of naval architecture at the US Naval Academy, she has the same canoe stern and sharply rising sheer line, but underneath Gillmer gave her a fin keel and skeg hung rudder arrangement to increase the performance of this passage making machine. Her cutter rig with bowsprit has 774 sq. ft. of canvas, plenty for her displacement of 21,000 lbs.

Launched in 1981, the first 13 hulls were factory built and bathed in fine light teak. About half of the subsequent models were sold as kits and owner finished so interior layouts can vary. The most common configuration has a V-berth forward, quarter berth portside, and superb seagoing galley amidships. The galley is easy to access from the companionway with a U-shaped orientation for security offshore. The hulls were built in fiberglass with Airex foam coring throughout while the deck and cabin house were balsa cored. The ballast is internally set cast iron. Water tanks are set in the keel while the fuel tank is underneath the aft berth.

These boats were built until 1990 when the Ryder factory closed.

Links, References and Further Reading

» Southern Cross Owners Association
» Ryder Yachts


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