Аннотация:The main task of the research was seabed mapping. Very high resolution seismic data, sampling and underwater observations procure in Kandalaksha bay the White sea were used. Analysis of amplitudes and shape of bottom reflection signal gives the information of seabed sediment properties. The obtained data provide the geological structure and the paleorelief influence to modern seabed processes. Understanding these processes is a key for geomorphological analysis. In conjunction with sampling and underwater observations these data provide the basis for lithological map. Resulting maps are not sufficient for habitats mapping, otherwise living organisms as mollusks Arctica islandica contribute to strength and other side scan sonar data characteristic. Combination of the methods could be used for the mollusk distribution mapping.