Rothesay Bay is a small suburb in North Shore City's East Coast Bays region. The suburb is roughly the same size as Murrays Bay, the suburb to the immediate south.
The name is taken from the small inlet into the Hauraki Gulf, which can be accessed via Rothesay Bay Road. There is a rectangular piece of parkland adjoining the beach, alongside which is the Rothesay Bay Creek. To the north is situated Browns Bay, while to the south is Murray’s Bay.
Rothesay Bay beach is in a wind funnel and gets a sea breeze.
Rothesay Bay is under the local governance of the Auckland Council.
The population in the 2006 census was 5,019 people, an increase of 606 since 2001.
On 2 July 2011 the body of a woman was found at the bottom of a Rothesay Bay cliff. Police were called to the scene around 1.30pm. The cause of death was proven to be falling rock caused by a small earthquake measuring 2.7 on the Richter scale.
Chris Rankin who played Percy Weasley in the Harry Potter film series grew up in Rothesay Bay until he was 6 years old.