It was later the site of George Bass's and Peter Throckmorton's first work in underwater archaeology at Cape Gelidonya in the Antalya region of southern Turkey.

[7] In 1968 she led a UNESCO expedition to survey the Pharos site in the Port of Alexandria, for which she was later awarded, in 1997, a French government medal for pioneering submarine archaeology in Egypt.

[12][3] The substantial art collection that she had inherited upon Wilfred Evill's death was used to endow the Honor Frost Foundation which supplies funds for underwater archaeology in the Mediterranean.

[14] Frost owned a second home in Malta with her primary residence in Marylebone as inherited from Evill, where she possessed a major collection of artworks from 20th-century British painters, especially those by Stanley Spencer.

She regularly contributed to the Mariner's Mirror, the journal published by the Society of Nautical Studies, most notably on the anchor, which was regarded as her favourite topic.