The Sentinel is located at Surrey Road near Newton Road, Novena, Scotts Road and Thomson Road. It has one of the most strategic locations being between the Novena and Newton MRT Stations.

The Sentinel is within stone’s throw from Goldhill Plaza and United Square shopping mall. Novena Square and Novena MRT Station is situated nearby too. Plenty of amenities like supermarkets, shops, restaurants, cafes can be found at Novena Square and United Square.

Only a few minutes' drive from the major shopping and entertainment belt in Orchard Road and Scotts Road, The Sentinel provides excellent accessibility to other parts of the island, linked by the Central Expressway (CTE), the Pan Island Expressway (PIE) and Bukit Timah Road, Newton Road and Scotts Road. In addition, the Newton or Novena MRT Station is within short walking distance, with the heart of Orchard Road just one stop away.