5th Annual Bluegrass Festival, Saturday, February 11th, 2012, 10 am until 6 pm. Sunday, February 12th, 9:30 am until 6 pm. Saturday or Sunday only entry fee $15/ Person Both days: $25/Person. Children 13 and under free (with paying adult) Collier-Seminole State Park, 20200 Tamiami Trail E., Naples. U.S. 41, 8 miles East of Hwy 951 (Collier Blvd.).