1973 Islander 37 vs Catalina 440 — Comparison

1973 Islander 37 1973 Islander 37
VS
Catalina 440 Catalina 440

Specifications Side by Side

Specification 1973 Islander 37 Catalina 440
General
Manufacturer Islander Catalina
Year 1973–1978 2010–2018
Type Sloop Sloop
Country USA USA
Designer Alan Gurney Gerry Douglas
Dimensions
LOA 11.28 m (37.0 ft) 13.41 m (44.0 ft)
LWL 8.69 m (28.5 ft) 11.73 m (38.5 ft)
Beam 3.28 m (10.8 ft) 4.14 m (13.6 ft)
Draft 1.68 m (5.5 ft) 1.96 m (6.4 ft)
Weight
Displacement 6,577 kg (14,500 lbs) 10,886 kg (23,999 lbs)
Ballast 2,722 kg (6,001 lbs) 4,082 kg (8,999 lbs)
Sailing
Sail Area 54.5 m² (587 ft²) 82.0 m² (883 ft²)
Hull Material Fiberglass Fiberglass
Keel Type Fin Fin
Engine & Tanks
Engine 22 HP 55 HP
Fuel Capacity 76 L (20.1 gal) 189 L (49.9 gal)
Water Capacity 114 L (30.1 gal) 379 L (100.1 gal)
Accommodation
Berths 6 7
Cabins 2 2

Performance Comparison

SA/D Ratio (Higher = more sail power per displacement)
1973 Islander 37
15.77
Catalina 440
16.96
Ballast Ratio (Higher = more stability)
1973 Islander 37
41.39
Catalina 440
37.50
Capsize Ratio (Lower = safer offshore)
1973 Islander 37
0.70
Catalina 440
0.75
Comfort Ratio (Higher = gentler motion)
1973 Islander 37
23.18
Catalina 440
16.84

Detailed Comparison

The 1973 Islander 37 and Catalina 440 represent two takes on sloop-rigged sailing. The 1973 Islander 37 is a 1970s design by Islander from USA, while the Catalina 440 is a modern offering from Catalina from USA. The 1973 Islander 37 was penned by Alan Gurney. The Catalina 440 was designed by Gerry Douglas.

In terms of size, the 1973 Islander 37 measures 11.28m (37.0ft) overall with a beam of 3.28m, compared to the Catalina 440 at 13.41m (44.0ft) with a 4.14m beam. The Catalina 440 is 2.13m longer than the 1973 Islander 37. The Catalina 440 displaces approximately 66% more than its counterpart, which significantly affects how each boat handles in different sea states.

Looking at performance, the 1973 Islander 37 has moderate sail power suitable for relaxed cruising with an SA/D ratio of 15.77 and 54.5 m² of sail area. The Catalina 440, with an SA/D of 16.96 and 82.0 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 440 has the edge in terms of raw sailing performance.

For comfort and safety, the 1973 Islander 37 offers a moderate motion comfort level (comfort ratio: 23.2) and excellent capsize resistance suitable for offshore voyaging (capsize ratio: 0.70). The Catalina 440 has a comfort ratio of 16.8 and a capsize screening value of 0.75. The ballast ratios are 41.4% for the 1973 Islander 37 and 37.5% for the Catalina 440, reflecting their respective approaches to stability.

Below deck, the 1973 Islander 37 provides 6 berths in 2 cabins with 114L of water capacity and 76L of fuel. The Catalina 440 offers 7 berths in 2 cabins with 379L water and 189L fuel capacity.

Verdict

For cruising: The 1973 Islander 37 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 Catalina 440 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.

For liveaboard: The Catalina 440 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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