Both islands offer eco-tours. Isla Mujeres has tours of the Garrafon Natural Reef Park and Isla Contoy, a protected island. Isla Holbox offers tours of the Yum Balam Nature Reserve and Isla de la ...

Isla Mujeres also remains popular for its marine life, which you can see firsthand if you book one of the many snorkeling tours around the island. Visit between August and October and you just ...

many also combine the visit with a few hours at Isla Mujeres. Either way, most boat tours that visit the island start at around $120 per adult, with many costing upwards of $150. While reviewer ...