Ten tidal islands of Britain: St Michael's Mount, Lindisfarne, Burgh Island, Cramond, Brough of Birsay, Worm's Head, St Catherine's Island, Gateholm, Eilean Tioram and Hilbre. Exact archival photographs show the islands and their shores. The photographed tide does not imply permanent access. This selection is not a ranking by area or a guide to visiting. St Michael's Mount: Tom Corser; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:St_Michaels_Mount1.jpg; resized and fitted to portrait frame; derived image retains the source license. Lindisfarne: Imperiul Roman de Răsărit; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/; https://commons.wikimedia.org/wiki/File:Lindisfarne1.jpg; resized and fitted to portrait frame; derived image retains the source license. Burgh Island: Nilfanion; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/; https://commons.wikimedia.org/wiki/File:Burgh_Island_and_Bantham_Sand_%289525%29.jpg; resized and fitted to portrait frame; derived image retains the source license. Cramond Island: Unforgiven75; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/; https://commons.wikimedia.org/wiki/File:Cramond_Island_and_Causeway%2C_viewed_from_Cramond_at_low_tide%2C_May_2026.jpg; resized and fitted to portrait frame; derived image retains the source license. Brough of Birsay: Rab Lawrence; CC BY 2.0; https://creativecommons.org/licenses/by/2.0/; https://commons.wikimedia.org/wiki/File:Brough_of_Birsay%2C_Orkney%2C_Scotland_-_Aug_11%2C_2018.jpg; resized and fitted to portrait frame; derived image retains the source license. Worm's Head: Jeremy Bolwell; CC BY-SA 2.0; https://creativecommons.org/licenses/by-sa/2.0/; https://commons.wikimedia.org/wiki/File:Approaching_Worm%27s_Head_at_low_tide_-_geograph.org.uk_-_2956522.jpg; resized and fitted to portrait frame; derived image retains the source license. St Catherine's Island: Nilfanion; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/; https://commons.wikimedia.org/wiki/File:St_Catherine%27s_Island%2C_Tenby_%284137%29.jpg; resized and fitted to portrait frame; derived image retains the source license. Gateholm: Thisisstupid; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Gateholm.jpg; resized and fitted to portrait frame; derived image retains the source license. Eilean Tioram: Tom Parnell; CC BY-SA 4.0; https://creativecommons.org/licenses/by-sa/4.0/; https://commons.wikimedia.org/wiki/File:Castle_Tioram_-_view_from_SE.jpg; resized and fitted to portrait frame; derived image retains the source license. Hilbre Island: Rept0n1x; CC BY-SA 3.0; https://creativecommons.org/licenses/by-sa/3.0/; https://commons.wikimedia.org/wiki/File:Hilbre_Island_1.JPG; resized and fitted to portrait frame; derived image retains the source license.