Great Southern 86 is a 26.21 m Motor Yacht, built in Australia by Trawler Boats and delivered in 2001. She is the only Great Southern 86 model.

Her power comes from two diesel engines. She is built with a Teak deck, a Steel hull, and GRP superstructure.

She was designed by Great Southern Yachts, who also completed the naval architecture. Great Southern Yachts has designed 1 yacht and created the naval architecture for 1 yacht for yachts above 24 metres.

Great Southern 86 is one of 6145 motor yachts in the 24-30m size range.