If you are up for walking, go to Ballston Beach and start walking towards Wellfleet. In about 500 yards you will get to Brush Hollow Beach. (Look for the small ladder up against the dune that allows those taking the path through the woods to climb down to the beach.) This is Brush Hollow. If you are still up for walking, keep going to the place in the beach where it juts out a bit and you can't see the line of dunes beyond. In my mind, the light is just a bit more magical and the water crystal clear out at Brush Hollow.