1979 Islander 36 vs Catalina 390 — Comparison
1979 Islander 36
Specifications Side by Side
| Specification | 1979 Islander 36 | Catalina 390 |
|---|---|---|
| General | ||
| Manufacturer | Islander | Catalina |
| Year | 1979–1985 | 1997–2003 |
| Type | Sloop | Sloop |
| Country | USA | USA |
| Designer | Alan Gurney | Gerry Douglas |
| Dimensions | ||
| LOA | 10.97 m (36.0 ft) | 11.89 m (39.0 ft) |
| LWL | 8.84 m (29.0 ft) | 10.21 m (33.5 ft) |
| Beam | 3.28 m (10.8 ft) | 3.76 m (12.3 ft) |
| Draft | 1.68 m (5.5 ft) | 1.98 m (6.5 ft) |
| Weight | ||
| Displacement | 6,350 kg (13,999 lbs) | 8,256 kg (18,201 lbs) |
| Ballast | 2,722 kg (6,001 lbs) | 3,266 kg (7,200 lbs) |
| Sailing | ||
| Sail Area | 54.2 m² (583 ft²) | 65.5 m² (705 ft²) |
| Hull Material | Fiberglass | Fiberglass |
| Keel Type | Fin | Fin |
| Engine & Tanks | ||
| Engine | 22 HP | 35 HP |
| Fuel Capacity | 76 L (20.1 gal) | 114 L (30.1 gal) |
| Water Capacity | 151 L (39.9 gal) | 265 L (70.0 gal) |
| Accommodation | ||
| Berths | 7 | 7 |
| Cabins | 2 | 2 |
Performance Comparison
Detailed Comparison
The 1979 Islander 36 and Catalina 390 represent two takes on sloop-rigged sailing. The 1979 Islander 36 is a 1970s design by Islander from USA, while the Catalina 390 is a 1990s offering from Catalina from USA. The 1979 Islander 36 was penned by Alan Gurney. The Catalina 390 was designed by Gerry Douglas.
In terms of size, the 1979 Islander 36 measures 10.97m (36.0ft) overall with a beam of 3.28m, compared to the Catalina 390 at 11.89m (39.0ft) with a 3.76m beam. The Catalina 390 is 0.92m longer than the 1979 Islander 36. The Catalina 390 displaces approximately 30% 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 Catalina 390, with an SA/D of 16.29 and 65.5 m² of canvas, offers moderate sail power suitable for relaxed cruising. The Catalina 390 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 Catalina 390 has a comfort ratio of 18.9 and a capsize screening value of 0.75. The ballast ratios are 42.9% for the 1979 Islander 36 and 39.6% for the Catalina 390, 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 Catalina 390 offers 7 berths in 2 cabins with 265L water and 114L 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 Catalina 390 has the performance advantage with its superior SA/D ratio, meaning more sail power relative to its displacement for competitive sailing.
For liveaboard: Both boats provide similar accommodation, making either a viable choice for living aboard. Consider water and fuel capacity for extended stays away from marinas.
Compare Different Boats
Looking for a different matchup? Browse All Boats
Or view individual specs: 1979 Islander 36 · Catalina 390