The Boarder Line

The Boarder Line has been a trusted part of Sister Lakes, Michigan since From our Round Lake location, we provide wakeboard, wakesurf, and waterski lessons, kids camps, and boat driving instruction for all skill levels, led by experienced coaches with decades of watersports expertise. Our pro shop carries boards, skis, ropes, vests, and apparel. As an authorized Nautique and Barletta dealer, we guide families to the right boats for their lifestyle, with demo rides available directly from our pier. We also offer heated storage, full service, and convenient pickup and delivery, giving boat owners complete support on and off the water. Families from Sister Lakes, Chicago, Indiana, and across the Midwest turn to The Boarder Line for lessons, camps, gear, boats, and service.