This hotel is located close to the seaside. Guests will also find numerous destinations for dining and shopping within close proximity of the Castleton Guest House Falmouth. The city of Falmouth is known principally for its deep-water harbor and for the beaches that are the site of numerous water sports activities. Private transportation is popular in this area of Cornwall. There is also a railway station not far from the Castleton Guest House Falmouth.

This hotel offers its guests a wide choice of room sizes, from 1-bedroom accommodations to accommodations large enough to sleep four comfortably. The hotel also offers color television and coffee and tea makers in all of its rooms. The rooms are en suite and two of them feature views of the harbor.

There is a lounge available to guests of this establishment. The hotel also provides its guests with an entirely non-smoking environment. The hotel has tasteful furnishings and finishes. There is parking available to those who drive their own vehicles.