Bouldnor Cliff is the only confirmed submerged Mesolithic archaeological site in the UK, located on the north-west coast of the Isle of Wight and dated to c. 8,100 BP.

A view of the submerged cliff at a depth of c. 11m, showing worked timbers forming a horizontal structure protruding, and eroding out, from the peat bed above.

Diving in 2019 progressed the exploration of this area in May, June and July, with several samples recovered which feature tool marks and excellent levels of preservation. Analysis is ongoing.

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