In 2012, the Barnetts were the primary donors to build a $5.5 million, 18-classroom learning facility at All Saints' Academy (Florida) in Winter Haven, Florida. They donated $1 million to the Florida Aquarium in downtown Tampa to help launch the Carol J. and Barney Barnett Learning Center that opened in 2014. In 2015, the Barnetts gave $3 million to Mote Marine Laboratory and Aquarium in Sarasota, Florida to promote environmental conservation. The Barnetts have donated millions of dollars to the United Way.