Welcome in KerCOASTS, an interactive on-line DELIBERATION SUPPORT TOOL (DST) for discovery and analysis of the Coastal Zone challenges facing public policy makers, the business world, scientists and civil society. Allying science and stakeholder dialogue processes for coastal zone governance, KerCOASTS introduces visitors to state-of-the-art integrated environmental assessment and participatory evaluation practices using outputs of three european research projects (ECOST, SPICOSA and THESEUS).