Kayak through sea caves in Wisconsin. Photos by , , and .
USA — No need to mope about missing the islands of the Mediterranean and Caribbean this summer. You're overlooking what's in your own backyard. Whether you want pristine beaches, exotic wildlife, stunning hikes, or shipwreck dives, these continental United States have a surprising number of islands close to home. Get ready to island-hop.
COMING UP NEXT: THE ADVENTUROUS SIDE OF TRAVEL
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Where: Long Island, New York
What: Have breakfast once you step off the boat on Fair Harbor dock.