A stair runs from the overlook down to the sand, and the beach at the bottom is one of the most beautiful and least swimmable on Cape Cod.
The reason is the inlet. Water moving in and out of Chatham Harbor through the breaks in the barrier runs through here at speed, the channels shift, and there are strong currents close inshore with no lifeguard. Signs at the stairhead say so and are frequently ignored. This is a beach for walking, for looking, and for watching seals from a distance, not for a swim.
The seals are the other reason to be careful. Grey seals haul out on the bars in large numbers within sight of the stairs, and this stretch of coast has the highest concentration of white sharks in the northeast because of them. The Atlantic White Shark Conservancy is based in Chatham, which is not a coincidence.
Do not approach seals on the sand. Federal law requires distance — the guidance in this region is a minimum of 150 feet — and a seal that lifts its head and looks at you has already been disturbed. They bite, they are bigger than they look, and they carry diseases transmissible to people and dogs.
Walking north along the beach is good. Swimming here is not.