Below are the Grapefruit League Ballparks that I have visited during Spring Training.

Grapefruit League	Spring Training
Tinker FieldTinker Field Photo R. Anderson	Orlando, Florida	Former Minnesota Twins Spring Training home
Baseball City StadiumBaseball City Stadium Photo R. Anderson	Haines City, Florida	Former Kansas City Royals Spring Training home (Stadium demolished 2005)
Osceola County StadiumOsceola County Stadium Photo R. Anderson	Kissimmee, Florida	Current Houston Astros Spring Training home
Space Coast StadiumSpace Coast Stadium Photo R. Anderson	Viera, Florida	Current Washington Nationals Spring Training home
Ed Smith StadiumEd Smith Stadium Photo R. Anderson	Sarasota, Florida	Current Baltimore Orioles Spring Training home
Al Lang StadiumAl Lang Stadium Photo R. Anderson	St. Petersburg, Florida	Former Tampa Bay Rays Spring Training home
Charlotte Sports ParkCharlotte Sports Park Photo R. Anderson	Port Charlotte, Florida	Current Tampa Bay Rays Spring Training home