1979 Islander 36 vs Hunter 31 — Comparison

1979 Islander 36 1979 Islander 36
VS
Hunter 31 Hunter 31

Specifications Side by Side

Specification 1979 Islander 36 Hunter 31
General
Manufacturer Islander Hunter
Year 1979–1985 2000–2005
Type Sloop Sloop
Country USA USA
Designer Alan Gurney Glenn Henderson
Dimensions
LOA 10.97 m (36.0 ft) 9.45 m (31.0 ft)
LWL 8.84 m (29.0 ft) 8.23 m (27.0 ft)
Beam 3.28 m (10.8 ft) 3.12 m (10.2 ft)
Draft 1.68 m (5.5 ft) 1.68 m (5.5 ft)
Weight
Displacement 6,350 kg (13,999 lbs) 4,082 kg (8,999 lbs)
Ballast 2,722 kg (6,001 lbs) 1,588 kg (3,501 lbs)
Sailing
Sail Area 54.2 m² (583 ft²) 44.0 m² (474 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 22 HP 18 HP
Fuel Capacity 76 L (20.1 gal) 57 L (15.1 gal)
Water Capacity 151 L (39.9 gal) 114 L (30.1 gal)
Accommodation
Berths 7 6
Cabins 2 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1979 Islander 36
16.06
Hunter 31
17.51
Ballast Ratio (Higher = more stability)
1979 Islander 36
42.87
Hunter 31
38.90
Capsize Ratio (Lower = safer offshore)
1979 Islander 36
0.71
Hunter 31
0.78
Comfort Ratio (Higher = gentler motion)
1979 Islander 36
22.32
Hunter 31
18.65

Detailed Comparison

The 1979 Islander 36 and Hunter 31 represent two takes on sloop-rigged sailing. The 1979 Islander 36 is a 1970s design by Islander from USA, while the Hunter 31 is a 2000s offering from Hunter from USA. The 1979 Islander 36 was penned by Alan Gurney. The Hunter 31 was designed by Glenn Henderson.

In terms of size, the 1979 Islander 36 measures 10.97m (36.0ft) overall with a beam of 3.28m, compared to the Hunter 31 at 9.45m (31.0ft) with a 3.12m beam. The 1979 Islander 36 is 1.52m longer than the Hunter 31. The 1979 Islander 36 displaces approximately 56% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1979 Islander 36 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 16.06 and 54.2 m² of sail area. The Hunter 31, with an SA/D of 17.51 and 44.0 m² of canvas, offers good sail power for versatile performance. The Hunter 31 has the edge in terms of raw sailing performance.

For comfort and safety, the 1979 Islander 36 offers a moderate motion comfort level (comfort ratio: 22.3) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.71). The Hunter 31 has a comfort ratio of 18.7 and a capsize screening value of 0.78. The ballast ratios are 42.9% for the 1979 Islander 36 and 38.9% for the Hunter 31, reflecting their respective approaches to stability.

Below deck, the 1979 Islander 36 provides 7 berths in 2 cabins with 151L of water capacity and 76L of fuel. The Hunter 31 offers 6 berths in 2 cabins with 114L water and 57L fuel capacity.

Verdict

For cruising: The 1979 Islander 36 is the better choice for comfortable cruising thanks to its higher comfort ratio, offering a gentler motion at sea that crews will appreciate on longer passages.

For racing: The Hunter 31 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The 1979 Islander 36 offers more sleeping accommodation, making it better suited for extended living aboard. Consider water and fuel capacity for extended stays away from marinas.

Compare Different Boats

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