Back when SoMa was the stomping ground of sailors, alleys were named for working girls – and Harlot pays them homage. Vampire bordello is the vibe in this 1907 tabloid-press building, with intense red lighting, tufted love seats and table centerfolds of nudes with boa constrictors. After 9pm the sound system pumps EDM; bouncers enforce the no-jeans-or-T-shirts rule.