The image above is a view from the south looking north over the jettied entrance to Green Pond. Green Pond is located on the South Shore of Cape Cod and is five miles north of Marthas Vineyard and about six miles northeast of Woods Hole.
There are two marinas here, but one of them (coincidentally the only one that accepts transients) is above a six-foot fixed vertical clearance bridge that most boats cannot clear. The other marina is on the east side of Green Pond south of the bridge, but it is a private yacht club; no transient guests are allowed.
Just inside the inlet to starboard on entry is a nice, well-protected anchorage with six-foot depths and decent protection from most directions.
Use NOAA Chart 13229.
Green Pond is approached from the south via the North Channel. From the North Channel, first set a course for flashing red buoy 2, which is located in the area of waypoint N41 32.677 W70 34.178. Once you have picked up flashing red buoy 2, head north toward the opening where you will find flashing green 3 just south of the west inlet jetty.
From here, work your way up into the inlet through the jettied entrance. Depths are reported to be between four and six feet with a channel width of 15 feet. Just inside to starboard is a small anchorage area with six-foot depths over a sand to mud bottom.
About a half-mile up from the entrance is a six-foot fixed vertical clearance bridge that limits most boats (except small powerboats) from traveling to the northern portion of Green Pond.