From USA TODAY: https://www.usatoday.com/story/travel/destinations/2017/08/18/labor-day-long-weekend-trip/572322001/

Kelleys Island, Ohio

For some Midwestern lake fun, book a trip to Kelleys Island this Labor Day weekend. The ferry dock serving Kelleys Island is only a 1.5-hour drive from Cleveland, and then you’re just a 20-minute ride away from relaxation on Lake Erie. Rent bikes, kayaks or a boat to enjoy some time on the water. Or, hike through the island’s state park, located on the northwestern side of the island.

Pro tip: Kelleys Island is one of the best Labor Day destinations if you’re on a budget this year. Flights into Cleveland are under $250 round-trip from New York City, and the ferry dock is driving distance from major Midwestern cities like Ann Arbor and Detroit.