UP, UP, & AWAY!

Chalks Airways once operated Sea Planes across Biscayne Bay on Watson Island.
"I remember those flights.   Thirty five years ago when I moved to Miami I thought those Sea Planes were so cool.  I had never seen them in action before.  It was quite a fun experience to watch them take off and land.  I have to say in the time I have lived here the downtown skyline has changed incredibly, from a big town to a major city."  

(History of Chalks Air introduction from Wikipedia)
The airline was founded by Arthur "Pappy" Chalk, and started ad-hoc charter operations as the Red Arrow Flying Service in 1917. After "Pappy" Chalk served in the Army Air Service in World War I, he returned to Miami and commenced scheduled service between Miami and Bimini in the Bahamas in February 1919 as Chalk's Flying Service. Chalk's first base was a beach umbrella on the Miami shore of Biscayne Bay. In 1926 a landfill island, Watson Island, was created in Biscayne Bay close to Miami. Chalk's built an air terminal there, and operated from the island for the next 75 years.

Read more at:  http://www.ask.com/wiki/Chalk's_International_Airlines?o=3986&qsrc=999