Vacations at Gran Bahía Príncipe Cayacoa in the Republic Dominican. The 295 rooms of the Gran Bahía Príncipe Cayacoa hotel are perfect to spend a vacation in the beautiful Samaná Bay. You will love it because.... Because it is very near the fantastic town of Samaná. Because it is located right on the beach and nearly all of its rooms have views of the beautiful Caribbean sea and the impressive Samaná bay. For the hotel s natural surroundings and the tranquility you will find.