The Sea Gull is a Chesapeake Bay skipjack built in 1901 at Pocomoke City Maryland. She is a 46-foot-long (14 m) two-sail bateau or V-bottomed deadrise type of centerboard sloop. She has a beam of 15.9 feet (4.8 m) and a depth of 1.6 feet (0.49 m); her gross tonnage is 10 register tons. She is one of the 35 surviving traditional Chesapeake Bay skipjacks and a member of the last commercial sailing fleet in the United States. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Building