The US Yachts US 305 is an American sailboat that was designed by William Garden as a cruiser and first built in 1978.
The US 305 is a development of the 1977 Buccaneer 305, which was built by Buccaneer Yachts, also a division of Bayliner.
The design was built by US Yachts, a division of Bayliner, in the United States, starting in 1978, but it is now out of production.
The US 305 is a recreational keelboat, built predominantly of fiberglass, with wood trim. It has a masthead sloop rig, a raked stem, a nearly plumb transom, an internally mounted spade-type rudder controlled by a wheel and a fixed fin keel. It displaces and carries of ballast.
The boat has a draft of with the standard keel.
A Swedish Volvo MD11C diesel engine was a factory option. The fuel tank holds and the fresh water tank has a capacity of .
The design has sleeping accommodation for six people, with a double "V"-berth in the bow cabin, an L-shaped settee and a straight settee in the main cabin and an aft cabin with a double berth on the starboard side. The galley is located on the port side just forward of the companionway ladder. The galley is L-shaped and is equipped with a three-burner stove and a sink. A navigation station is opposite the galley, on the starboard side. The head is located just aft of the bow cabin on the port side. Cabin headroom is .
For sailing the design may be equipped with one of a number of jibs, genoas or a storm jib.
The design has a hull speed of .