Grand Bahia Principe Cayacoa. The 295 rooms of the Grand Bahia Principe Cayacoa are perfect to spend a vacation in the beautiful Samaná Bay. You'll find all the services and details in your room for a stay you'll never forget. You'll 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 that this hotel will give you.