The Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 vs Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 comparison sits squarely in the category of decisions where specs alone won't tell the whole story — intended use, storage, and long-term ownership costs all factor in.
Size is the most obvious dividing line here. The Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 measures 38,6 feet overall (1987), giving it roughly 4,0 additional feet of deck space compared to the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 at 34,6 feet (1985). Weight tells a clearer story for trailering families: the Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 tips the scales at 18 971 lbs — 7 037 lbs less than the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 at 11 934 lbs. That difference is meaningful if you're working within a half-ton or three-quarter-ton truck's tow rating, especially once you factor in a motor, gear, and fuel.
Both boats share a closely matched power ceiling — 30 hp for the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 and 42 hp for the Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987. Real-world performance will come down more to which motor is actually bolted on, its load at the time, and whether it's a 4-stroke or 2-stroke setup.
For family outings this is probably the sharpest distinction between the two. The Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 is rated for 11 passengers, while the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 caps at 10. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 could be the deciding factor.
Displacement is where these two sailboats genuinely part ways. The Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 displaces 18 971 lbs — a 7 037-lb difference over the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 at 11 934 lbs. That gap separates two entirely different categories of sailing: the heavier boat is built for offshore passage-making and load-carrying, while the lighter hull rewards performance sailing and easier handling in lighter air.
Both boats draw a similar depth — 5,7 ft and 5,4 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
The Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 uses Sloop rigging. For auxiliary power the Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 carries a 42-hp engine against 30 hp on the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
Hull speed is rated at 7,7 knots for the Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 and 7,3 knots for the Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985.
Bottom line: The Catalina Yachts Catalina 380 - Wing Keel Wing Keel 1987 is the offshore and bluewater choice — at 18 971 lbs displacement and 39 ft it has the load capacity, range, and seakeeping for extended passages. The Catalina Yachts Catalina 34 MkI - Tall Rig Tall Rig 1985 at 11 934 lbs is the more nimble, accessible option — easier to single-hand and better suited to coastal and inland sailing.