Take a trip to Southend-on-Sea and see the wealth of wonders the County has to offer. Agoda.com offers big savings on 137 hotels in top locations. A visit to Westcliff On Sea, Rayleigh, Herne Bay will make your trip to Southend-on-Sea worthwhile. Getting around Southend-on-Sea is easy with the County's major airports as access points to major cities. With more than 2 million customer reviews, more travelers are choosing Agoda.com to book hotels in Southend-on-Sea.