From the North you can come along I 84, South on Route 17, and pick up Rte 17A South at Exit 124. 15 minutes gets you into Warwick (then see "From Warwick" below).
Alternatively from the North, come down I 87 South and get off onto Rte 17 North at the Harriman tolls. Immediately turn right onto the first exit, and turn left off the ramp onto old Rte 17 South to Tuxedo. After about 15-20 minutes, before you get to Tuxedo, you will come to a light and a bridge - turn right onto Rte 17A North (see Tuxedo directions, beginning at "Rte 17 North" below).
Alternatively, if you miss the exit after the Harriman tolls, you could travel North on "new" Rte 17 to the Town of Monroe (see below).
From the South, take exit 15A off I 87, just North of the intersection with I 287 at Suffern. Left off the ramp, which will take you North on "old" Rte 17 through Sloatsburg to Tuxedo. See "From Tuxedo " below.
From Town of Warwick, Get onto Route 17A South, go over the mountain, and down into Greenwood Lake (15 minutes). Watch the signs - stay with Rte 17A by turning left, going over the bridge, and take the first road to the right after the bridge(Ten Eyck Ave): The clubhouse is about half a mile down on the right, next to Bob's Marina. You should see a white boathouse with shells on slings near the water.
From Town Of Monroe, (Drive into Monroe and ask for Lakes Drive, which goes South off Rte 17M); take Lakes Drive to Greenwood Lake and stay on it for 20 minutes until you hit a stop sign and Rte 17A. Turn left onto 17A and an immediate left to stay on 17A, going through the second stop sign, over the bridge, and taking the first road to the right off 17A, called Ten Eyck Ave. Clubhouse is a half mile down on the right, next to "Bob's Marina". You should see a white boathouse with shells on slings near the water
From Tuxedo, proceed North through Tuxedo on Route 17. You will come to a bridge and a traffic light. Turn left at the traffic light and get on Rte 17A to Sterling Forest. Rte 17A North will take you past the ski resort, up and down the mountain, and into Greenwood Lake. Just before you reach the bridge (and opposite a deli) you will see Ten Eyck Ave on the left. Turn left into Ten Eyck and the clubhouse is half a mile down on the right, just before "Bob's Marina". You should see a white boathouse with shells on slings near the water.