Kayaking

Key West Eco-Tours. Key West is surrounded by marinas, so it's easy to find a water-based activity or tour, whether it's sailing with dolphins or paddling in the mangroves. These sail-kayak-snorkel excursions take you into backcountry flats and mangrove forests without the crowds. The 4½-hour trip includes a light lunch, equipment, and even dry camera bags. Private sunset sails, backcountry boating adventures, kayak, and paddleboard tours are available, too. 231 Margaret St., Historic Seaport, Key West, Florida, 33040. 305/294–7245; www.keywestecotours.com. From $65.

Lazy Dog. Take a two-hour backcountry mangrove ecotour or a four-hour guided sea kayak–snorkel tour around the mangrove islands just east of Key West. Costs include transportation, bottled water, a snack, and supplies, including snorkeling gear. Paddleboard tours, PaddleYoga, and PaddleFit classes are also available, as are maps and rentals for self-touring. 5114 Overseas Hwy., Stock Island, Key West, Florida, 33040. 305/295–9898; www.lazydog.com. From $50.