The 5 SCACR International Short Conference on APPLIED COASTAL RESEARCHth th was held from 6 to 9 June, 2011 at RWTH Aachen University. The aim of the 5thSCACR was to provide all participants with information on the latest developmentsfrom both scientific and engineering perspectives in coastal issues and to exchangeviews with users and stakeholders of the coastal zone. In addition to five keynotelectures a number of technical papers were presented during five technical sessionswith the following topics:· Coastal Structures· Coastal Processes· Coastal Risks / Risk Management· Coastal and Port Environments· Coastal Developments· Modeling, Management