Imagine the thrill of piloting your own speedboat through the Nichupte Lagoon and the narrow winding canals in the mangrove forest only to emerge in the Caribbean where you'll take the pace down a notch as you go snorkeling. You might catch a glimpse of herons, kingfishers and rays in the lagoon and you'll have a close encounter with schools of colorful fish at Punta Nizuc reef. Each boat is for two people. Singles may have to share the boat with someone else or pay a difference to keep the boat just for one person-