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Sailboat Specifications

Sirius 310 Ds

Fractional Sloop · Fin W/Rudder On Partial Skeg

Designed by Marc-Oliver Von Ahlen · Built by Sirius-Werft · First built 2011

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LOA 30.51 ft  ·  Beam 11.09 ft  ·  Displacement 13,889.00 lb  ·  Sail Area 462.85 ft²  ·  Fractional Sloop  ·  Fin W/Rudder On Partial Skeg
About the Sirius 310 Ds Sailboat

Built by the respected German shipyard Sirius Werft, the 310 Ds is a compact cruising sailboat that reflects the builder's long-standing commitment to quality construction and practical offshore capability. Sirius has earned a strong reputation in European sailing circles for producing sturdy, well-finished vessels designed to handle real-world conditions rather than simply perform in calm harbour waters. The 310 Ds follows in this tradition, offering a thoughtfully laid-out platform suited to coastal cruising and short offshore passages. Sirius designs are generally praised for their seaworthy hulls, comfortable interior appointments, and attention to detail that appeals to experienced sailors who prioritise reliability over flashiness. The "Ds" designation suggests a double-saloon or distinct interior configuration variant, giving it an edge in liveability for couples or small crews spending extended time aboard. This is a boat that rewards sailors looking for a trustworthy, manageable vessel with Germanic build quality at its core. For those researching a capable cruiser in this size range, the Sirius 310 Ds deserves serious consideration alongside other well-regarded European production cruisers.

Dimensions & Specifications
LOA (Length Overall) 30.51 ft / 9.30 m
LWL (Waterline Length) 28.05 ft / 8.55 m
Beam 11.09 ft / 3.38 m
Max Draft 5.91 ft / 1.80 m
Displacement 13,889.00 lb / 6,300 kg
Ballast 5,291.00 lb / 2,400 kg
Sail Area (Reported) 462.85 ft² / 43.00 m²
Design & Construction
Hull Type Fin w/rudder on partial skeg
Rigging Type Fractional Sloop
Construction GRP
Designer Marc-Oliver von Ahlen
Builder Sirius-Werft
First Built 2011
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Frequently Asked Questions

What is the Sirius 310 Ds's sail area to displacement ratio?

The Sirius 310 Ds has a Sail Area to Displacement ratio (SA/D) of 12.86. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Sirius 310 Ds's comfort ratio?

The Sirius 310 Ds has a Ted Brewer Comfort Ratio of 30.25. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Sirius 310 Ds safe for offshore sailing?

The Sirius 310 Ds has a Capsize Screening Formula value of 1.85. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Sirius 310 Ds?

The theoretical hull speed of the Sirius 310 Ds is 7.1 knots, calculated from its waterline length.

How much does a Sirius 310 Ds weigh?

The Sirius 310 Ds has a displacement of 13,889.00 lb and a length overall (LOA) of 30.51 ft.

Who designed the Sirius 310 Ds?

The Sirius 310 Ds was designed by Marc-Oliver Von Ahlen, first built in 2011.