Set sail for a masquerade ball on the San Francisco Bay this Halloween. The Fume Blanc Commodore plays host to a soiree of titanic proportions—literally “Titanic” proportions—with the ship decked out as the ill-fated vessel. Two dance floors, unlimited drinks and shining views of the city skyline make this one of San Francisco’s most stunning Halloween parties. Tickets start at $34 and semi-formal attire with masks are required for entry.