An area on the east side of Mason Island bounded as follows:
Beginning at the shore line on the easterly side of Mason Island at latitude 41°20'06"; thence due east about 600 feet to latitude 41°20'06", longitude 71°57'37"; thence due south about 2,400 feet to latitude 41°19'42", longitude 71°57'37"; thence due west about 1,000 feet to the shore line on the easterly side of Mason Island at latitude 41°19'42"; thence along the shore line to the point of beginning.
33 C.F.R. §110.50a