If your idea of a great vacation means being near the water, make a beeline for La Montosa Island. Whatever you choose to do here, you're unlikely to get bored of those lovely views.
If you're making your way to La Montosa Island in Santa María Huatulco, make time for some other places too. After you've finished at this water-surrounded land mass, Huatulco Beach is close by will keep you entertained for a bit longer.