Dinner Theatre TicketsHome The Southern Avalon Development Association (SADA), formerly known as the Trepassey Area Development Association, was formed in 1975 and incorporated on September 18th of the same year. The association is a community based, non-profit organization committed to social and economic development, dedicated to enhancing the quality of life for citizens of the region. This is accomplished through meaningful partnership with the Irish Loop Development Board, local, regional, provincial and federal governments, sharing mandates for community and social development.SADA represents the communities of the Southern Avalon (Portugal Cove South, Biscay Bay, Trepassey, St. Shott's, St.Vincent's/St. Stephen's/Peter's River). more... See more text