Circumstances surrounding the discovery of a body on Weymouth Beach, near Manurewa, are not considered to be suspicious.
Police were alerted to the scene about 1.10pm yesterday.
A fire crew also helped officers recover the body, a Fire and Emergency spokesperson said.
Detective Inspector Tofilau Faa Vaaeulua says it is early stages, but the death is being treated as unexplained.
A post-mortem examination is being carried out today to establish the cause of death, he said.