Cancún is blessed with over 240 days of sunshine per year. Its glorious white beaches are picture-perfect. Isla Mujeres, a tiny offshore island like others found in the Caribbean, shares the same enviable climate, but offers a totally different vacation experience, with little of the hustle and bustle of Cancún. This guidebook gives you the low-down on where to go and what to do, no matter what your budget or lifestyle.