Hotel at Southend-on-Sea overlooking River Thames Opened in 2010, this hotel offers guests a new, exciting base from which to explore this beautiful seaside resort in Essex. The hotel sits along Southend's Western Esplanade, overlooking the mouth of the River Thames and Adventure Island. Located in the heart of the city's tourist area, this hotel boasts 137 rooms furnished with modern amenities and styled in the distinct Park Inn design with warm colours and light wood accents. With all-day dining on site at RBG Bar & Grill and seven well-equipped meeting rooms, the hotel welcomes both business and leisure travellers to enjoy the perfect seafront stay in Essex.