ICOPMAS 2012. The 10th Biannual International Conference on Coasts, Ports and Marine Structures was inaugurated in Tehran. More than twenty countries including Britain, The Netherlands, Sweden, Japan and Australia are attending the three day event. More than 200 articles were forwarded to the secretariat of the conference among which 120 will be presented orally and the rest as posters. The Secretary of the conference told us about the aim of this event.