A while back, I posted an email to the SWAMP newsgroup about a new BMX park being built just down the road from our Boyette Trails. I think it came out on our local Observer newspaper. I couldn't find that article but I might have the email somewhere. Anyways, there is a local bike shop in Riverview called Multi Gear. They are fearly small and new. Their selection of products is somewhat limited. But, some of the people that run it are very involved in building the BMX park.
I drive down the road at Boyette often. When I passed through there I noticed they have a big sign that say coming soon "USA BMX training facility" with the phone number for the bike shop for more information (813) 741-2421 http://www.multigearbikeandsport.com/index.htm
I called them up since I had talked to them before. They are still getting permits but already have some clay out on that big open field. Once they get the permits, they are going to break ground and build the BMX racing track first. There will be other BMX style jumps and they will consider opening it up for MTX's. Somewhat similar to what there is at Santos. Give them a call if you want more details.
It is just down the street from Boyette. You will see a white pvc fence and on the left side where all the big antennas are, you will see the sign.