At the height of its activity in the 1890s, the wine company of B Seppelt & Sons was the largest in Australia. In 2007 an Australian consortium called The Seppeltsfield Estate Trust bought the Seppeltsfield winery with a view to maintaining its winemaking traditions and reputation for hospitality.
The Port Adelaide Institute served as a centre for social and cultural activities within Port Adelaide for over a century, and was the predecessor of the South Australian Maritime Museum and Port Adelaide Public Library.
Sailors' aid societies were first established at Port Adelaide in the 1860s to provide accommodation, entertainment, moral guidance and religious instruction to visiting mariners, and most remained in operation until the late twentieth century.
Carpenters, tailors, bakers, carriers, cordwainers and coachmakers had formed unions within ten years of European settlement of South Australia, and by the 1870s there were thousands of union members in the colony.