Isla Travel (Hidalgo 15, tel. 998/877-0805, islatravel [at] hotmail [dot] com, 9 a.m.–7 p.m. Mon.–Sat., 10 a.m.–2 p.m. Sat.) is a good booking agency for tours—snorkeling, diving, Isla Contoy—on and off Isla Mujeres. Trips to Chichén Itzá, Xcaret, and Cuba also can be arranged. Travel services such as changing flights reservations or purchasing ADO bus tickets are provided as well.