The Catalina Yachts 30 Tall Rig Cutter Rigged 1979 vs Catalina Yachts 34 MkII 2006 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 34 MkII 2006 measures 34,0 feet overall (2006), giving it roughly 4,0 additional feet of deck space compared to the Catalina Yachts 30 Tall Rig Cutter Rigged 1979 at 30,0 feet (1979). Weight tells a clearer story for trailering families: the Catalina Yachts 34 MkII 2006 tips the scales at 12 000 lbs — 1 800 lbs less than the Catalina Yachts 30 Tall Rig Cutter Rigged 1979 at 10 200 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.
The power gap is worth calling out. Rated to 35 hp, the Catalina Yachts 34 MkII 2006 has a 24-hp advantage over the Catalina Yachts 30 Tall Rig Cutter Rigged 1979's 11-hp ceiling — enough to notice on acceleration and at cruising speed, particularly with a full passenger load. Fuel capacity breaks the other way: the Catalina Yachts 34 MkII 2006 carries 25 gallons versus 12 gallons in the Catalina Yachts 30 Tall Rig Cutter Rigged 1979. On a lake day that's negligible, but for coastal cruising or long reservoir runs the extra range matters.
For family outings this is probably the sharpest distinction between the two. The Catalina Yachts 34 MkII 2006 is rated for 10 passengers, while the Catalina Yachts 30 Tall Rig Cutter Rigged 1979 caps at 9. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Catalina Yachts 34 MkII 2006 could be the deciding factor.
Both boats sit in a similar displacement bracket — 10 200 lbs for the Catalina Yachts 30 Tall Rig Cutter Rigged 1979 and 12 000 lbs for the Catalina Yachts 34 MkII 2006. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Both boats draw a similar depth — 5,3 ft and 5,3 ft respectively. Marina access and anchorage options should be broadly equivalent between the two.
For auxiliary power the Catalina Yachts 34 MkII 2006 carries a 35-hp engine against 11 hp on the Catalina Yachts 30 Tall Rig Cutter Rigged 1979. Motoring range and ability to punch through a foul current or enter a tight marina under power will favour the more powerful installation.
For extended cruising, water capacity matters: the Catalina Yachts 34 MkII 2006 carries 67 gallons versus 43 gallons on the Catalina Yachts 30 Tall Rig Cutter Rigged 1979 — a significant advantage on longer passages where watermaker or provisioning stops aren't guaranteed.
Bottom line: The Catalina Yachts 34 MkII 2006 at 34,0 ft offers more living space, greater range, and a more substantial offshore capability. The Catalina Yachts 30 Tall Rig Cutter Rigged 1979 at 30,0 ft is the easier, lower-cost option — simpler to crew and a strong choice for coastal and day sailing.