Lake Superior Shoals

Gros Cap Reef

A rocky bank with a least depth of 17 feet, east side of the entrance to St. Marys River, 2 miles north of Point Iroquois and from 1 to 1.8 mi SW of Gros Cap

Parisienne Shoal

A detached shoal extending from 2.5 to 5 mi NE from the North end of Parisienne Island. Least depth of 5 ft on the west side near mid shoal. Marked on the east side by a green spar buoy at mid shoal

Whitefish Point Shoal

Extends 0.5 miles NE from Whitefish Poiint

Pancake Shoal

A detached rock shoal 4.75 mi SW from Coppermine Point. Least depth is 4 ft near the east edge of the shoal. Marked by a green spar buoy just to the west of the shoal

Outer Pancake Shoal.

A detached rock shoal 5 mi SW from Coppermine Point. Least depth is 13 ft near the west edge of the shoal. Marked by a lighted red buoy just to the west of the shoal.