Castillo, Estelle, 91, of Valrico, passed away on February 13, 2018. She was born to Charlie and Balzoria Blackburn in Green Sea, SC on April 16, 1926. She was one of 12 children. Estelle moved to the Tampa area in 1959 from Wilmington, NC.  She was a faithful member of Ahava Baptist Church in Plant City, FL. Estelle was a homecare  health worker for over twenty five years; she had a great love for children all of her life and gave herself freely to them. Estelle was an avid collector of antiques.  She is preceded in death by her son, Jerry Boyce King. Estelle is survived by her loving family, son, Jimmie (Susan) King; sister, Joanne (Ed) Kerr; granddaughter, Kimberly (Darren) Meeks; nephew, Mike (Donna) Ziegler, and niece Sue Ellen (Lindsey) Darnell Estelle raised both Mike and Sue Ellen in her loving home during their youth. There will be a visitation on Monday February 19, 2018 from 12:30 pm to 2:00 pm at Serenity Meadows Funeral Home, followed by a funeral service at 2:00 pm.