I live on a river (San Jacinto) that runs out to Galveston Bay and from there I can take the ICW east or west or go offshore. Plenty of variety and little of the over-zealous enforcement or overcrowded boating situations I see on Lake Conroe or Lake Travis.
I would vote Natural, however a lot of my route is dredged periodically.
I like having direct access to offshore waters, wish they looked like the Caribbean waters though .
I havn't been to LOTO, but would like to.