Annisquam Lighthouse: At the mouth of the Annisquam River on the northwestern side of Cape Ann, the Annisquam Lighthouse warns the fishing boats, yachts, and other pleasure boats of a dangerous sand bar and informs them they are entering the river from Ipswich Bay. Wigwam Point in Annisquam, MA, where the light is located is an area of beautiful homes built on a hill overlooking the ocean.