S2 7.9 Information, Review, Specs

Boat drawing
Make
S2
Model
7.9
Number Built
545
Production Year(s)
1981 - ??

The S2 7.9, originally conceived as the Grand Slam 7.9, is a highly popular American sailboat renowned for its exhilarating performance and surprising versatility as a trailerable racer-cruiser. Designed by the naval architecture duo Graham & Schlageter (Scott Graham and Eric Schlageter), this 26-foot monohull was built by S2 Yachts of Holland, Michigan. It successfully carved a niche as a potent one-design racer while offering sufficient accommodations for comfortable weekend cruising, making it a beloved choice among competitive sailors and recreational enthusiasts alike.

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History and Design

The S2 7.9 began its production run in 1981, emerging from the S2 Yachts stable, a company founded by Leon Slikkers, who brought extensive fiberglass boat building experience to sailboat construction. Slikkers' vision for S2 Yachts emphasized high build quality and efficient production, establishing a brand reputation for robust and reliable vessels. The 7.9, designed by Graham & Schlageter with a clear focus on one-design racing, exemplifies this ethos, being built very stoutly despite its racing pedigree. The original production continued until 1986, with limited re-production occurring in 1990 and 1993 due to its sustained popularity.

A defining feature of the S2 7.9 is its lifting keel, which allows for a minimum draft of just 1.12 feet, enabling easy ramp launching and access to shallower waters. A small number of boats, 17 in total, were also delivered with a fixed keel and a masthead rig, offering a slightly different performance profile. The standard rig is a fractional sloop, optimized for performance.

Sailing Performance and Handling

The S2 7.9 is widely praised for its lively sailing performance and responsive handling. With a sail area to displacement ratio (SA/D) of approximately 19.82, the boat is well-powered and capable of performing admirably in light air conditions. Its ballast to displacement ratio (B/D) of around 0.394 indicates a good degree of stiffness and stability, allowing the boat to stand up to a breeze and carry its sail effectively. Furthermore, a displacement to length ratio (D/L) of approximately 186.5 classifies the 7.9 as a lighter, more performance-oriented vessel for its size, contributing to its speed and agility.

Owners consistently describe the S2 7.9 as fast and fun to sail, highlighting its ability to point well and deliver an exhilarating experience on the water. Its design allows for capable performance even in heavier winds, with owners reporting confidence in its behavior in various sea states. The boat's impressive hull speed of 6.24 knots further underscores its design for spirited sailing.

Accommodations and Layout

While primarily designed as a performance racer, the S2 7.9 offers a surprisingly functional interior that allows for weekend cruising. With a maximum headroom of 5.42 feet, the cabin space is utilitarian and maximizes the available volume within its 25.92-foot length overall and 9.0-foot beam.

The interior layout, though often described as spartan, is designed to be efficient for its intended use. Typically, the layout includes a V-berth forward, a main salon area, and basic galley and head facilities. While not luxurious, the interior provides enough amenities for comfortable overnight stays or short trips, with owners noting that one can "happily live/sail on it for a week with little problem." The hand-laid fiberglass construction of both the hull and deck ensures a durable and well-built interior.

Owner's Perspectives

Owners of the S2 7.9 consistently laud its robust construction and enduring quality. Many appreciate that despite being built as a racer, the boat was constructed very stoutly, holding up exceptionally well over time. Its strong build quality and excellent sailing characteristics contribute to a good resale value, making it a sound investment for many sailors. The S2 7.9's accessibility, partly due to its trailerability, is also frequently cited as a major strength.

However, common recurring issues noted by owners include the tendency for original port chainplates to develop leaks, requiring re-bedding as a maintenance item. While the interior is functional for its class, some owners find it to be "spartan" or feel it "leaves a lot to be desired" when compared to dedicated cruisers. Despite these minor points, the S2 7.9 maintains a strong reputation for being a capable, fun-to-sail, and well-built boat that continues to be popular for both one-design and PHRF racing, as well as recreational cruising.

Measurements

Construction & Hull

Construction Material
Fiberglass (Solid)
Hull Type
Monohull Sailboat
Keel Type
Lifting
Rudder
1x —
Ballast
1675 lbs
Displacement
4250 lbs
Water Capacity
6 gal
Fuel Capacity
-

Engine

Engine Make
Engine Model
Engine Type
Engine HP
Engine Count
1
Drive Type
Fuel Type
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Fractional Sloop
P (Main Luff)
29.42 ft
E (Main Foot)
12.25 ft
I (Foretriangle Height)
30.5 ft
J (Foretriangle Base)
9.5 ft
Forestay Length (est)
31.95 ft
Main Sail Area
180.2 sqft
Foretriangle Sail Area
144.88 sqft
Total Sail Area (Reported)
329 sqft
Total Sail Area (Calc)
325.07 sqft

Dimensions

LOA
25.92 ft
LWL
21.67 ft
Beam
9 ft
Draft
5 ft
Max Headroom
5.42 ft
Air Draft
-

Calculations

Hull Speed
6.24 kn
Pounds per Inch Immersion
696.86