W Hotel (1112 Fourth Ave): Looking for a quickie affair with a mysterious outsider? Visit the bar of this swank tower for the city's most eligible out-of-towners. What happens in the W stays in the W.

The Green Room (1426 First Ave): Attached to the Showbox, this low-key hipster bar has inspired innumerable weeknight flings with the friendliest happy hour in town.

Natural Habitats

The two-block radius around Déjà Vu Showgirls (1510 First Ave): Home to roaming hordes of the horny, of the "Show me your tits!" variety.

Pike Place Market (West end of Pike St): The great daily melting pot of artsy locals, gawky tourists, and fish-pitching merchants, at least two or three of whom want to have sex with you right now.

Pacific Place (600 Pine St): The closest thing downtown Seattle's got to a mall, complete with hordes of giggling teens, Botoxed shopping moms, and creepy guys in the restrooms. Something for everyone!