Cliffs and shore platforms are, typical landforms of the rock coast of Britain, but due to their historical significance, discussion of these features is directed mainly towards elucidation of their place in the chronology of Pleistocene glaciation. Though the Isle of Man would seem by its position to offer advantages for a further chronological study, it is proposed that existing studies of a correlative nature suffer limitations due to certain assumptions concerning the form and process of formation of these features. This dissertation contributes a thorough examination of form, with the object of inferring process and sequence from this approach. Particular attention is paid to the present tidal and offshore zones, the relation of present tides and marine activity to the existing form being expressed by survey measurements with respect to a datum.