The 310 is 500lbs. heavier, 400 of that is in the keel and the engine is 26 HP for the 310 and 21 for the 309 and from what I have read the 310 has larger gear on deck. I know the 310 interior was designed for a cruising couple, but other than that, how do they differ in construction strength, sailability,etc.?
Catalina Yachts is a U.S.-based builder of fiberglass monohull sloop-rigged sailboats ranging in sizes from eight to 47 feet in length. It was founded in 1969 in Hollywood, California by Frank Butler. Catalina Yachts is one of the largest boat manufacturers in the world, with over 80,000 boats manufactured to date. Though Catalina produces boats from as small as eight feet under their Capri ...