Thanks to the beauty and depth of the banderas bay riviera nayarit sayulita is one of the top scuba diving destinations in mexico visibility and ideal water temperature have made both experts and beginners fall in love with the bay of banderas waters located in the mouth of banderas bay are the beautiful las marietas islands about 10 nautical miles from sayulita and 15 minutes from punta de mita formed by volcanic activity over thousands of years the islands are a nationally protected bird