Playa del Carmen offers access to some of the best diving spots in the Western Hemisphere, especially just offshore near Cozumel. Travelers say you can't come to Playa del Carmen without taking a dip under the sea to explore its colorful population of fish. Many diving companies have set up shop in Playa: One of the most popular is the Playa-based Reef Quest Divers, which caters to amateurs and experts alike. Reef Quest has a variety of dive charters including reef dives and local cenote dives. Playa Scuba Dive Center is another well-reviewed company that organizes scuba tours. The variety of options and staff members at both companies received praise from previous divers. Meanwhile, those looking to snorkel can borrow equipment from their hotel, buy equipment in town or try an excursion with Reef Quest, The Snorkel Shop or Playa del Carmen Tours.

Dive costs and equipment fees vary by company, but expect dives to start around $55 for a one tank ocean dive. For specific tour options and costs, visit each individual company's website.