Horsea Island

Horsea Island is located in Hampshire
Horsea Island
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Map showing the location of Horsea Island within Hampshire.
Ordnance Survey map of Horsea Island, 1945; detail omitted for security reasons.
Horsea Lake, looking west
Sea Survival Centre slipway, with Paulsgrove landfill site reclamation beyond

Horsea Island was an island located off the northern shore of Portsmouth Harbour, England; gradually subsumed by reclamation, it is now connected to the mainland. Horsea falls within the city of Portsmouth and was wholly owned by the Ministry of Defence as part of the shore establishment HMS Excellent, which maintains its headquarters on Whale Island.

However, in 2013 the south-eastern corner was acquired by Portsmouth City Council for housing development.[1] Most of the area to the south-west of the lake is part of the Portsmouth Harbour Site of Special Scientific Interest (SSSI), the remainder was declared a Site of Importance for Nature Conservation (SINC) in 2011.

  1. ^ "'Deal of two cities' sealed - Southampton City Council". www.southampton.gov.uk. Archived from the original on 6 March 2014. Retrieved 12 January 2022.