Agua hotels riverside is a 4 star hotel located within easy reach of the beach and close to portimao arena fort of santa catarina and portimao museum also nearby are aqua portimao and praia grande locationlocated within easy reach of the beach the hotel is close to portimao arena fort of santa catarina and portimao museum nearby the hotel are aqua portimao and praia grande roomsthe 134 air conditioned guestrooms feature floor to ceiling windows each one has its own balcony and the