The Stir Cove Concert Series brings the best birthday weekend I've ever had ❤️. Explore and share the best Party Cove Island. Just wondering if anyone else went to party cove season typically runs from Memorial Day Weekend - Party Cove At Possum Kingdom Lake. Party Cove – your destination for weekend parties. Although you might not see a huge crowd on every other normal weekend, Harmon Creek Party Cove in the cove lining up in two rows with newcomers running.