The historic House on Sathorn welcomes hordes of party-loving ghosts and ghouls to its exclusive, second-floor club, Upstairs. This year, they’re bringing The Mary Celeste, the mysterious ship discovered adrift in the ocean with its captain and crew missing, back to life. You may want to refer to Pirates of the Caribbean for your costumes. The best-dressed group wins a bottle of Veuve Clicquot. DJs Orawan and Armando Mendes takes over the decks.