Lakewood itself is not know as the Gold Coast. It's just "Lakewood." The section of luxury high rises right along the lake, which were built mostly in the 60s IIRC, is called the Gold Coast.
There are a number of mansions along there, too.
A steal at $1.8 million.
They are responsible for a lot of tax revenue. They are what give Lakewood its relatively high population density of almost 10,000 per square mile. GLBTS doesn't really have anything to do with the name, although there are a lot of them in Lakewood.