Wyatt  made his first trip to Grenadier Island at the age of 16 when he went duck hunting at the Head of Grenadier with a close friend Frances Dermady whose Uncle owned a farm at the Head of Grenadier.

Prior to that, at the age of ten he had hunted on the mainland on the shore opposite Grenadier with his father and his father's friend Dr Headley Atkinson and his son John.