Hop on a dune buggy and explore around Cozumel with Cozumel Cruise Excursions. You will be taken to a private beach club to snorkel, and to Punta Sur Park where you can climb to the top of a lighthouse and take in breathtaking views of the other side of Cozumel. Tours are $74 for adults and $60 for kids, and last roughly five to five and a half hours.
The tour includes transportation from cruise port or hotel, entrance fees, a beach break, beer, bottled water and soda, snacks, a Mexican-style lunch, gas and mileage, insurance, snorkel equipment, and a snorkel guide. You should bring towels and bathing suits, comfortable shoes and clothes, sunscreen, sunglasses, and a valid drivers license(s).