The Sentinel (sometimes The Sentinel or Sentinel Tower) is a luxury residential skyscraper in Takapuna, the central business area of North Shore City, New Zealand. The largest and currently only skyscraper in the city, it has 30 storeys. and is 150 m tall including spire. It offers views over the Waitemata Harbour, the wider Hauraki Gulf as well as over to the Auckland CBD skyline. The Sentinel was opened to the first residents in February 2008.