A Hamptons-style home on Lake Superior's southwest coast is up for sale for $1.75 million. Thirty minutes north of Duluth, the five-bedroom, six-bathroom home at 908 W. Bay Road in Lake County was built in 2006 and sits on 3.74 acres. It has access to 357 feet of Lake Superior waterfront. The home is spacious yet private, with luxurious finishings and tasteful details like projection screens and natural materials, which lend the stylish come the integral "up-north" feel of a lakeside Minnesota…