You're lucky with lots of choices available to you. Anything with a 11 foot ridgeline should be more than good for you - 12 ft if you need some extra coverage. Remember that your 11 ft hammock actually hangs at about 108" (your hammock ridgeline) so all you need is to really cover that.
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley