In addition to archaeological findings on land, archaeologists have discovered remnants from various periods under the sea, such as gravel quarry, sea wall, towers and sunken vessels together with their cargoes. (nom file)
See cgate.co.il

The Atomic Tests resulted in the sinking of a large number of "test ships". Their underwater remains are referred to in the Nomination File and are part of the site's OUV, They have been the subject of underwater archaeological studies
See www.nps.gov

to include the underwater archaeological remains located to the south of the city (boundary change 2013)

The site has more than ten underwater archaeological sites of the Late Bronze Age which have revealed the extent of early trade in the western Mediterranean (UNEP-WCMC)

Cenotes
See maya-underwater.blogspot.com

"Presenting the results of surveys and excavations carried out in the property and its wider setting, including underwater archaeology, that have already permitted the understanding of the origins of the town, the basis for its prosperity," (AB ev)

"Part of the nominated property is currently submerged and thus within the maritime public domain." (AB Ev)

the most comprehensive and earliest terrestrial and underwater archaeological testimony of European Transatlantic whaling (AB ev)

Almost all of the dwellings are completely or largely underwater

"In 1972-1979, the research team of U.A. Savvateev performed purposeful and continuous field work in the Lake Onega and surrounding Prehistoric dwellings. (...) 11 new clusters were discovered in the course of the field works with a few figures discovered underwater in breakaway granite blocks in the vicinity to the capes (Kladovec Nos, Besov Nos, Peri Nos, Kareckij Nos). (...) Underwater studies, launched by U. A. Savvateev in 1972-73, were also continued. In 2008-2010, another granite slab with rock art near the cape Kladovec Nos was discovered by divers from Saint Petersburg." (Nomination file,

Location 1553-019 "Offshore Work"

The Site contains a Historic Wreck Site safeguarded under the Protection of Wrecks Act 1973, the Girona. This wreck represents a significant period in European history. On 26th October 1588, the Girona, a galleas of the Spanish Armada, sank of Lacada Point, some three months after sailing from La Corunna. Only 1300 of the 5,00 0 men survived the sinking of the Girona, which is remembered in the name of the bay close to where she sank, Port Na Spaniagh.
See www.giantscauseway.ccght.org

South-east area - Alaior (Component C6): "The underwater archaeological heritage is also noteworthy in this area. The boundaries of the component part include the marine area around the Calescoves anchorage. There are some important wrecks located in this marine area that hold significant material evidence illustrating trade and other relations maintained by the ancient settlers with the outside world." (Nomination file, p. 150)

Lime Street, which was the main artery of the pre-1692 town, is located under a playing field but continues to the sunken part of town where it is well preserved as an underwater archaeological feature. (AB ev)