These conference proceedings present authoritative papers on new experience and research, particularly that which has led to advances in design procedures. It covers design, construction and performance experience of coastal structures and breakwaters particularly including new developments. Contents: Development of new risk assessment procedures for coastal structures. Design of the Ciervana Breakwater, Bilbao. Displacements of caisson breakwaters induced by breaking wave impacts. Field measurements of loads acting on smooth and perforated vertical walls. Wave overtopping of sea walls . Further research. Wave reflection, transformation and attenuation characteristics of rock island breakwaters. Design and construction of the Groyne at Corinto, Nicaragua. The construction of 13km of seawall for Hong Kong`s new airport at Chek Lap Kok. Breakwater damage due to unique seabottom changes. Constructional aspects of some large rubble mound breakwaters in Northern Africa.