Because it isn't ! It's part of the English mainland - close to the towns of Margate and Ramsgate.
Thanet used to be an Island and thats why it got it's name. Over the years the land dried out and it became part of the mainland. It could easily become an Island again if the coastal protections are overcome.
Birmingham is approximately 198 road miles from the Isle of Thanet.
It is a nickname given to the Isle of Thanet district of Kent in South East England.
The Isle of Thanet is in the South-East of England in the County of Kent.
The Towns in the Isle of Thanet are;MargateCliftonvilleBroadstairsRamsgateThere are several villages;BirchingtonMinsterWestgate on SeaSt. Nicholas at WadeManstonAcolMonktonSt. PetersKingsgateCliffs EndPegwellGarlingeMinnis Bay
It is approximately 280 miles by road.
In Kent, England, there are five main inhabited islands. These are Sheppey, Harty, Elmley, Graveney, and Fowley. Each island has its own unique characteristics and history, contributing to the diverse geography of the region. These islands have been shaped by natural processes such as erosion, sedimentation, and sea level changes over time.
Rebecca Barnes has written: 'Collecting signs and seashells: an analysis of meanings of the seaside on the Isle of Thanet'
In Thanet Earth, a high-tech greenhouse facility in the UK, a variety of produce is grown including cucumbers, bell peppers, and tomatoes. These crops are grown using hydroponic methods and advanced technology to optimize growth conditions and produce high-quality vegetables.
Isle and island are synonyms.
isle
An isle is a small island or peninsular.
Charles Cotton has written: 'The history and antiquities of the church and parish of St. Laurence, Thanet, in the county of Kent' -- subject(s): Thanet, Isle of. St. Laurence (Parish) 'The Grey Friars of Canterbury, 1224 to 1538' -- subject(s): Antiquities, Franciscans