The grainy colour CCTV footage was filmed the evening before her disappearance in the early hours of March 7th 2021 and shows her walking along a jetty in Cruz Bay on the US Virgin Island of St. John with her boyfriend Ryan Bane.
More details at https://www.dailymail.co.uk/femail/article-15092459/Sarm-Heslop-ryan-bane-missing-cctv-footage.html.