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Sailboat Specifications

Saga 409

Masthead Sloop · Fin W/Bulb & Spade Rudder

Designed by Tony Castro · Built by Saga Yachts · First built 2005

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LOA 40.75 ft  ·  Beam 12.50 ft  ·  Displacement 19,800.00 lb  ·  Sail Area 807.00 ft²  ·  Masthead Sloop  ·  Fin W/Bulb & Spade Rudder
About the Saga 409 Sailboat

Designed by renowned naval architect Tony Castro and built by Saga Yachts starting in 2005, this 40-footer represents a well-balanced approach to performance cruising. The Castro design philosophy shines through in the hull's modern lines, featuring a fin keel with bulb and spade rudder configuration that delivers both speed and maneuverability. With a displacement of 19,800 pounds and healthy ballast ratio, the Saga 409 strikes an appealing balance between performance and seaworthiness. The sail area to displacement ratio of 17.71 suggests spirited sailing characteristics without being overly demanding, while the comfort ratio of 28.29 indicates moderate motion at sea—ideal for extended coastal cruising and offshore passages. The masthead sloop rig with 807 square feet of sail area provides versatile sail handling options, making this boat suitable for both short-handed cruising and spirited day sailing. Castro's design expertise in creating seaworthy yet responsive hulls is evident in the proportions, with the fin keel and bulb arrangement offering excellent upwind performance while maintaining directional stability. The fiberglass construction ensures durability and relatively low maintenance, while the 54-horsepower engine provides adequate auxiliary power for maneuvering and motorsailing in light conditions.

Dimensions & Specifications
LOA (Length Overall) 40.75 ft / 12.42 m
LWL (Waterline Length) 36.00 ft / 10.97 m
Beam 12.50 ft / 3.81 m
Max Draft 5.92 ft / 1.80 m
Displacement 19,800.00 lb / 8,981 kg
Ballast 7,300.00 lb / 3,311 kg
Ballast Type Lead
Sail Area (Reported) 807.00 ft² / 74.97 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Tony Castro
Builder Saga Yachts
First Built 2005
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Engine & Accommodations
Engine Make Yanmar
Engine Model 4JH4E
Engine Type Diesel
Horsepower 54
Fuel Capacity 75 gals / 284 L
Water Capacity 100 gals / 379 L
Frequently Asked Questions

What is the Saga 409's sail area to displacement ratio?

The Saga 409 has a Sail Area to Displacement ratio (SA/D) of 17.71. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Saga 409's comfort ratio?

The Saga 409 has a Ted Brewer Comfort Ratio of 28.29. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Saga 409 safe for offshore sailing?

The Saga 409 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 Saga 409?

The theoretical hull speed of the Saga 409 is 8.04 kn knots, calculated from its waterline length.

How much does a Saga 409 weigh?

The Saga 409 has a displacement of 19,800.00 lb and a length overall (LOA) of 40.75 ft.

Who designed the Saga 409?

The Saga 409 was designed by Tony Castro, first built in 2005.