Grantsburg, WI

ZIP code 54840 is located in the town of Bayfield, Wisconsin. This scenic area is known for its stunning views of Lake Superior and the Apostle Islands. Major landmarks include the Bayfield Marina, where visitors can embark on boat tours of the islands, as well as the Bayfield Apple Festival, a popular annual event celebrating the local harvest. Outdoor enthusiasts flock to the area for hiking, biking, and water activities.