Southwest Michigan Underwater Preserve
Location within the state of Michigan
Location	Lake Michigan, Allegan County, Berrien County, Van Buren County, Michigan, USA
Nearest city	Benton Harbor, Michigan
Coordinates	42°08′31″N 86°31′44″W / 42.142°N 86.529°W / 42.142; -86.529
Governing body	Michigan Department of Natural Resources

The Southwest Michigan Underwater Preserve is a preservation area in the U.S. state of Michigan. Located in Lake Michigan, it protects a five-mile-wide strip of water offshore from Michigan's Allegan, Berrien, and Van Buren Counties. These waters include the waters offshore the port towns of Benton Harbor, Holland, St. Joseph, and South Haven, all in Michigan. Many wrecks litter these waters.^[1]

• Southwest Michigan Underwater Preserve Michigan Underwater Preserve Council
• SWMUP group applies for DNR approval Holland Sentinel 1996