Most Foursquare specials are weaker than a free topping on a frozen yogurt. But a certain few make it worth the extra trip.


Medicine Agency
At this gallery the Mayor gets a free “Dodgers Suck” T-shirt. It doesn’t get better than that.
1262 Mason St., 415-829-8615,

Broken Record
The mayor gets a free shot of Jack Daniels or Jameson at this Excelsior nightspot.
1166 Geneva Ave., 415-963-1713,

Church Key
Anyone who checks in gets 50 percent off their order, while the mayor drinks free “mystery beer” all night.
1402 Grant Ave., 

The mayor gets his or her own seat and VIP service. Everyone who checks in gets $1 off taps on Sunday.
3349 20th St., 415-648-4104,

Show Dogs

The mayor’s first beer is free.
1020 Market St., 415-558-9560,


Anyone who checks in gets free gallery admission, $2 off films and $5 off performances. The mayor treats a friend.
701 Mission St., 415-978-2700,

Marsh Café
Check in and get $2 off the ticket price; the mayor gets a free drink.
1070 Valencia St.,