The police reports mention 2831 Retreat View Circle and 1231 Twin Trees Lane. If you look at the Seminole County Property Appriaser's map of the plat for The Retreat at Twin Lakes, those two properties share a corner:
http://www.woodswell.com/images/Trayvon/body-addresses.jpg
The image is from a screen shot of the Seminole County Property Appraiser map of the subdivision. The red highlight of the two properties were added by me.
169 = 1231 Twin Trees Land
141 = 2831 Retreat View Circle.
In the image, the buildings are shown as separated but 167-171 are conjoined and 138-143 are conjoined.
I get the impression the body was found pretty much in the center of the area between the two rows of townhouses.
I don't know how to post pictures so they show up in my messages - maybe it's because they are not on a picture sharing site but are on my own website. If you want to copy and repost any of my images, you may.
IMO, JMO, etc.