Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.46101

Sec. 46101. (1) A person shall not take any of the species of fish known as perch with gill nets, pound nets, trap nets, seines, setlines, or set hooks, or any other device except a hook and line, and no nets of any description for the taking of perch shall be set within 200 feet of any dock in the waters of Northport harbor (known as Northport bay), and within a line beginning at the extreme southern end of lot 3, section 36, town 32 north, range 11 west of Northpoint point at the water's edge; thence on a line southerly across Northport bay to Bellows (Gull) island; thence southerly on a line from Bellows (Gull) island to most northerly point of lot 3, section 25, town 31 north, range 11 west; thence due west to the east shore of lot 1, section 25, town 31 north, range 11 west; thence northerly following the bay shore to the place of beginning. A person shall not set any trap or pound net in that part of Northport harbor north of a line beginning at the extreme southern end of lot 3, section 36, town 32 north, range 11 west of Northport point at the water's edge and extending west to the town line between 31 north and 32 north in the village of Northport.

(2) A person shall not use a bait net in shallow waters along the shores of Northport harbor during the smelt spawning season to obtain smelt for other than a commercial purpose.