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Islands are the most important tourist destinations in Greece because in addition to natural beauty they offer a rare combination of tourist products and services. In many cases, however, the natural environment is transformed as an unjustified receiver of pollutants produced by tourism activities, which could be possible, degraded the environment and disturb the ecological balance. This fact activated an original research effort to study whether the potential ecological and environmental distortions in the island were to be identified so that a tourism policy could be adapted to the island's natural environment. During the data collection, tourist accommodation was recorded in all Lefkada's municipalities by additional data collection of natural, cultural, human and artificial environment. The resulting data were further processed with software programs and showed that the geological specificity of Lefkada's island affects the spatial arrangement and distribution of local and seasonal tourist populations. As an impact of this, the potential zones of pressure in Lefkada are separated into coastal outer zone and two inner, semi-mountainous zones. The coastal zone receives the highest pressure and has the highest potential for pollution, mainly on the north and east sides of the island, due to the existence of ports and natural anchors and the explosive development of small and multi-purpose tourist accommodation within 2 Km of the coastline. Semi-mountainous areas that may be prone to land use problems have also been surveyed due to the growing tourism spatial activity. Higher altitudes show a continuing trend of improving alternative forms of tourism, but the potential for pollution is limited but this does not mean that the ecological balance cannot be disturbed.
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