Harbor Marine Service

Winthrop Harbor is just south of the IL/WI border and just west of Lake Michigan.

SUMMER STORE HOURS (May 15th thru Sept. 30th)

Friday 12:00 to 4:00

Saturday: 12:00 to 4:00

By appointment at any other time or day

WINTER STORE HOURS

By appointment at any time or day

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729 Sheridan Road,
Winthrop Harbor, IL, 60096.

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Thanks for your inquiry. We will get back to you the next day via email or phone between the hours of 10am to 7pm Monday thru Saturday.