Port St Lucie Gun & Knife Show Show Details 📍 Location: Port St Lucie, Florida Port St Lucie Civic Center 9221 SE Civic Center Place 🎟️ Admission: $10 The Port St Lucie Gun & Knife Showis held in the Port St Lucie Civic Center by Florida Gun Expo in Port St Lucie, FL. Contact Promoter 🌐 Website: Visit Site