It is our pleasure to welcome our military families to MAST Academy. The County Recorder's Office is responsible for the recording, protecting, preserving and disseminating of official records.Submission of Original Notes: All original notes and mortgages must be mailed to 73 W Flagler Street, Suite 505, Miami, FL 33130 to the JA's attention. The U.S. Southern Command and. U.S. Army Garrison-Miami are located in sunny Miami-Dade County, Florida, three (3) miles west of the Miami. Either parent is in the Military. Dedicated to preserving and presenting the rich military heritage of south Florida for the education and inspiration of future Americans. Corps permits are also necessary for any work, including construction and dredging, in the Nation's navigable waters. Step Up For Students offers tailored scholarships for Florida's PreK-12 students. Start your child's academic journey today.