"Sea cliffs" refers to high cliffs or steep slopes that are created by the erosion of waves and tides along the coastline. These cliffs are found near the sea or ocean and typically offer beautiful views of the water.
From this vantage point we visit dramatic sea cliffs up close and explore the interior portions of the islands — places that few people ever see. (theexpeditioner.com)
The location is the best I've ever experienced anywhere in the world, right on the beach with stunning sea cliffs on one side and a beautiful swimming beach on the other. (travelground.com)