Whistling Straits (Irish Course at Whistling Straits) is an 18-hole resort golf course in Sheboygan, Wisconsin, built in 2000 and designed by Pete Dye. It sits in the $$$$ (splurge) price range for golf in Wisconsin. The season runs Apr 1 to Nov 1. Guests are welcome.
Details like fees and seasons change, so call the course before you head out.