You can snorkel wherever you swim, but if your kids really enjoy it, eventually you'll want to seek out someplace with truly beautiful underwater scenery. Below are some great destinations for novices, including two locales that offer snorkel tours with swim-along guides who can give pointers and identify underwater sights.
Big Island, Hawaii: Kahalu'u Beach Park in Kailua-Kona. One of the best snorkeling spots on the Big Island, these protected waters are home to green sea turtles and scads of colorful fish. Gear can be rented on-site, or try the nearby Miller Surf and Sport shop. 808-326-1771
Bismarck, Arkansas: DeGray Lake Resort State Park. Renowned for its clear waters, this inland lake offers excellent visibility for viewing freshwater fish. Snorkel tours (all gear included): $8.50 for adults, $4.50 for kids ages 8 to 12. 501-865-2801; degray.com
Catalina Island, California: Lover's Cove Marine Preserve. A marine sanctuary protected by the State of California, Lover's Cove boasts clear, clean water and a variety of sea life. Rentals are available at the Catalina Dive Shop, located on-site. 877-SNORKEL; catalinadiveshop.com
Key Largo, Florida: John Pennekamp Coral Reef State Park. The only living coral barrier reef in North America, the Florida Keys Reef Tract is situated offshore and is accessible by boat. Snorkel tours: $29 for adults, $24 for kids age 17 and under. Mask and fins can be rented on-site; bring your own snorkel or purchase one there. For tours and gear: 305-451-6300. General park information: 305-451-1202. pennekamppark.com
St. John, Virgin Islands: Virgin Islands National Park. Popular Trunk Bay features an underwater trail with descriptive plaques situated 5 to 15 feet below the surface of the water to help beginners identify marine life. Bring your own gear or rent it at the beach. Usage fee: $4 for adults, free for kids age 16 and under. 340-776-6201, ext. 238; nps.gov/viis
Toyahvale, Texas: Balmorhea State Park. With a constant temperature of around 75 degrees, the 3.5 million-gallon artesian pool at Balmorhea State Park is home to turtles and two endangered species of fish. Bring your own gear. 432-375-2370; tpwd.state.tx.us