Princess Elisabeth Island

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{{Infobox islands

| name = Princess Elisabeth Island

| local_name = Prinses-Elisabetheiland

| native_name_link = Dutch

| location =

}}

Princess Elisabeth Island ({{langx|nl|Prinses-Elisabetheiland}}) is an artificial island under construction in the North Sea, with an area of six hectares. Construction of the island began in 2024, and is expected to be completed by 2028.{{cite web|accessdate=19 March 2025|url=https://tractebel-engie.com/en/news/2024/world-s-first-energy-island-takes-shape-in-belgium-s-north-sea |title=World’s first energy island takes shape in Belgium’s North Sea|website=Tractabel Engie|date=30 September 2024}}{{cite web |title=First building blocks in place for Belgium’s North Sea energy island |url=https://www.powerengineeringint.com/smart-grid-td/td-infrastructure/first-building-blocks-in-place-for-belgiums-north-sea-energy-island/ |date=2 May 2025}}

It is named after Princess Elisabeth, Duchess of Brabant. It is located 45 kilometres off the coast of Ostend, Belgium. Construction costs are estimated at €3.6 billion.{{cite web|url=https://www.constructionbriefing.com/news/building-the-massive-foundations-for-a-39bn-north-sea-artificial-island/8038649.article |title=Building the massive foundations for a $3.9bn North Sea artificial island|date=1 October 2024|last=Barnard|first=Lucy |website=Construction Briefing}}