Coastal structures are evolving to meet contemporary societal demands, balancing environmental integration with robust risk management. This two-volume proceedings from the CSt07 conference, the fifth in its series, presents 178 revised papers focusing on innovation, design, and construction. The collection addresses traditional aspects of coastal structure research, design, construction, and maintenance, while also incorporating newer topics such as tsunami and storm surge defenses, climate change impacts, piled coastal structures, and ecological considerations.

The CSt conference proceedings have historically served as frequently cited references in the field of coastal engineering. This volume, containing revised papers from the CSt07 conference, offers a comprehensive overview of current research and advancements. The inclusion of topics like tsunamis, storm surge defenses, and climate change indicates a forward-looking approach to the challenges facing coastal structures. The focus on ecological issues suggests an increasing awareness of the environmental implications in engineering design.