DivaDuck Amphibious Tours. Running 75 minutes, these duck tours go in and out of the water on USCG-inspected amphibious vessels around West Palm Beach and Palm Beach. The tours depart two or three times most days for $25 per person (adults); there are discounts for seniors and kids. CityPlace, 600 S. Rosemary Ave., corner of Hibiscus St. & Rosemary Ave., West Palm Beach, FL, 33401. 877/844–4188.

Island Living Tours. Book a private mansion-viewing excursion around Palm Beach, and hear the storied past of the island's upper crust. Owner Leslie Diver also hosts an Antique Row Tour and a Worth Avenue Shopping Tour. All vehicle tours are 3 hours and from $60 per person to $150 per person, depending on the vehicle used. Leslie also runs 90-minute bicycle tours through Palm Beach ($35, not including bike rental). One bicycle tour explores the Estate Section and historic Worth Avenue; another explores the island's lesser known North End. Call in advance for location and to reserve. 561/868–7944.