The Coast of Carolina Parrothead Club has a motto of “Party for a Purpose.” For more than 20 years, the group has given back its proceeds to the Children’s Recovery Center. At the Throwback Shell Beach Party, hang by the pool and enjoy a weekend full of raffles, music and more.  Ocean Dunes Hotel, 201 75th Ave. N., Friday–Sunday. Visit website for full schedule of events. $65. (843) 283-9456, www.cofcphc.com