At Gwesty'r Marine Hotel & Spa, there are several types of rooms available. They include Deluxe Double or Twin Rooms, Single Rooms, Family Suites, Double Rooms, Family Rooms, Small Double Rooms, Twin Rooms, Superior Double or Twin Rooms, and Deluxe Rooms. Smoking is not allowed in any of the rooms. The sizes of the rooms range from 75 sqft to 312 sqft. The rooms have various bed sizes such as twin beds, king-size beds, double beds, and even a sofa bed in the Family Suite. The rooms have different occupancy capacities, accommodating between 1 and 5 adults, along with 0 to 4 children.

Guests at Gwesty'r Marine Hotel & Spa can enjoy a variety of leisure amenities during their stay. They can start their day by indulging in the hotel's spa facilities, including the hot tub and jacuzzi, for a relaxing and rejuvenating experience. Guests can also take advantage of the hotel's beachfront location, spending time on the beach and enjoying activities such as swimming or sunbathing. For sports enthusiasts, the hotel offers a golf course and tennis court, providing opportunities for outdoor recreation. In the evenings, guests can enjoy live music or performances at the hotel, adding entertainment to their stay. The hotel's bar provides a place for guests to unwind and enjoy a drink after a day of activities. Additionally, guests have the option to engage in activities like horseback riding, cycling, hiking, playing pool, or fishing, allowing them to make the most of their leisure time while staying at the hotel.