The body of a man was found at a flat in Ocean Village.
Officers from Hampshire Constabulary were called shortly after 6pm on Tuesday to Tasman Court.
It followed a report of the concern for the welfare of a man.
READ MORE: Boy, 15, stabbed in the head at railway station told mum: "Help I'm dying"
Upon arrival at the scene, the body of a man in his 60s was found inside the address.
The force confirmed the death is not being treated as suspicious.
A file will be prepared for the coroner.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here