In addition to the rental shops in the state parks, you'll find dozens of outfitters along U.S. 1 offering a range of runabouts and skiffs for boaters of any experience level. Captain Pip's, U.S. 1 at MM 47.5, Marathon (tel. 800/707-1692 or 305/743-4403; www.captainpips.com), charges $145 to $330 per day. Overnight accommodations are available and include a free boat rental: 2-night minimum $235 to $309; weekly $1,115 to $2,258. Rooms are Key West comfortable and charming, with ceiling fans, tile floors, and pine paneling. But the best part is that every room comes with an 18- to 21-foot boat for your use during your stay. Robbie's Rent-a-Boat, U.S. 1 at MM 77.5, Islamorada (tel. 305/664-9814; www.robbies.com), rents 14- to 27-foot motorboats with engines ranging from 15 to 200 horsepower. Boat rentals are $70 to $205 for a half-day and $90 to $295 for a full day.