Police are seeking the public's help to find the owner of a boat recovered from the waters near Mayor Island.
The 5.6m fibreglass Sea Nymph named Optimist with a 150hp Mercury outboard was spotted floating upside down 2.5 nautical miles south of Mayor Island by a light aircraft just before 3pm today.
Waihi Coastguard and the Trustpower TECT Rescue Helicopter both assisted police to carry out a search for the possible missing boaties.
Trustpower TECT Rescue Helicopter pilot Liam Brettkelly said despite an extensive search of the area no one was found, Mr Brettkelly said.
A police spokesman said there had been no reports of missing boaties.
Police were keen to speak to the owner or anyone esle who could shed some light on the circumstances which lead to the capsized boat being in the area.
Anyone with any information should call Tauranga Police on 021 192 3409.