 In his final years though growing infirm, Wyatt still attended to his many duties, and passed some hospital accounts for payment just a week before his death in his eighty-second year on 10 June 1886.He bought some town lots at the first land sale held at Adelaide on 27 May 1837, which laid the foundation of a considerable fortune.He did many acts of philanthropy in a quiet way and showed much interest in the social life of Adelaide, but never entered politics.