Sonesta Gran Posada Resort is a contemporary, 16-story 4-star resort in the quiet beach town of San Carlos and offering panoramic views of the Sea of Cortez and the surrounding desert. The resort is located just four hours from the Arizona border, with easy access to both Guaymas and Hermosillo airports in the State of Sonora, Mexico. Deep sea fishing, whale watching, boating, and shopping are available near the resort. There is spectacular diving, an 18-hole championship golf course and two protected marinas all nearby.