The paper considers the distribution of bottom deposits in Tallinn Bay in connection with the general geological setting.The shores subject to intense ship wash (western coast of the Viimsi Peninsula, SW coast of Aegna Island, and eastern coast of Naissaar Island) are discussed in greater detail.Distribution of bottom deposits is determined by the location of erosion areas and seafloor topography.The shores of the bay are mostly covered with coarse material washed out from glacial deposits, which reduces the influence of the waves.During the periods with low water level the waves generated by fast ferries influence deeper parts of the nearshore.
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