Nantucket Shoals is a series of underwater features located southeast of Nantucket Island in Massachusetts. This area is known for its shallow waters, which can be hazardous for navigation due to shifting sandbars and strong currents. The shoals are an important habitat for various marine species, making them significant for both ecology and fishing. The region is also famous for its rich fishing grounds, attracting commercial and recreational fishermen. Nantucket Shoals is part of the larger Nantucket Sound, which plays a crucial role in the local economy and supports a diverse marine ecosystem.