From Los Angeles, head east on I-10.  Take the Highway 111 / Palm Springs exit.  Highway 111 turns into Palm Canyon Drive at the entrance to town.  Head south on Palm Canyon Drive, through downtown Palm Springs.  The southern border of downtown is Ramon Road.  Three signal lights past that, you will turn left on Mesquite (intersection 18 - the intersections are numbered, starting with intersection 1 at the northern entrance to Palm Springs).  After turning left on Mesquite, take your first left at Random Road, and then take your first right, which is San Lorenzo.  "A Place in the Sun" is the 5th building on your left, at 754 San Lorenzo Road.  

From Phoenix, head west on I-10.  Take the Indian Avenue offramp, and turn left heading south on Indian Avenue.  Turn right at Racquet Club, and then 1 block west turn left on Palm Canyon Drive, heading south through downtown.  Follow above directions from downtown Palm Springs.