Go south on the autopista from Las Mercedes; pass El Trinidad and head towards El Hatillo.  
Go straight through El Hatillo, to the La Lagunita security guard.  At this point each intersection is listed on the map below... use the map AND these instructions to guide you to Gerry's!

#1: This is on the main road, after the security guard; take the first road to the left.
#2: This comes up fast; keep going straight (do not turn left) ... road is going up.
#3: After some bends, you come to an intersection; go left'ish and keep going up.
#4: You will pass a road on your left; keep going straight, still going up.
#5: You will come to another road on your left; take this one... going straight will go downhill.
#6: You will pass a road to the left, but keep going straight.
#7: At a bend, you will take the curve to the left; do not turn right.
#8: At this intersection, take a sharp right; going straight will head down into a cul de sac.
#9: Keep to the left and pass a small road on your right.

From this point Gerry's house is 5 houses up on the left; look for the name of Ninina. The driveway has a big red gate, so it should be easy to see. Park anywhere up or down the street.