The Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 vs Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 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.
On paper these two are close siblings in the size department — Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 at 29,1 ft versus Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 at 31,1 ft. At 10 300 lbs and 10 201 lbs respectively, both sit in a similar weight class — either should pair comfortably with most mid-size SUVs and half-ton trucks, though always confirm your specific tow rating with the motor added.
The Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 tops out at 21 hp. Engine specs for the Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 aren't listed — confirm with a dealer before selecting an outboard.
For family outings this is probably the sharpest distinction between the two. The Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 is rated for 9 passengers, while the Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 caps at 8. If you're regularly pulling extended family or a group of friends onto the water, the extra seats on the Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 could be the deciding factor.
Both boats sit in a similar displacement bracket — 10 300 lbs for the Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 and 10 201 lbs for the Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012. Comparable displacement means broadly similar seakeeping behaviour and load capacity, though hull form and ballast ratio will still produce noticeably different sailing characteristics.
Draft is a practical consideration that many buyers underestimate until they're already at the marina. The Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 draws 6,4 ft, compared to 3,1 ft for the Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986. That 3,3-foot difference affects which anchorages you can access, which haul-out facilities will take you, and how carefully you need to read the tide tables in shallower cruising grounds.
The Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 uses Sloop rigging. The Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 has a documented auxiliary engine of 21 hp.
Hull speed is rated at 6,9 knots for the Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 and 6,7 knots for the Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986.
Bottom line: The Catalina Yachts Catalina 30 MkII - Wing Keel Wing Keel 1986 and Catalina Yachts Catalina 315 - Fin Keel Fin Keel 2012 are closely matched on paper. A sea trial on both in representative conditions is the only reliable way to find which one suits your sailing style, home port, and intended cruising ground.