What shoes are best for running on the beach?

I have always ran a lot and recently moved about half a mile from the beach. I have been running in Brooks the past few years have ran in rain and they have been confortable even when pretty wet. I am wondering if there are any specific shoes that would be better for beach running?

How often should I change my running sneakers?

I run from late January all the way through mid November. I am 14 weigh about 120. I run about 35-45 miles a week 6 days a week depending on what my coach wants me to run. I never run in the rain or snow only when it is sunny. How often should I change my sneakers? Is once a year good, or what because my dad does not want to keep buying my new running sneakers that often. Also, I have another pair of sneakers not for running so I just use my running shoes while running.

2010 Winter Carnival Half Marathon

I ran the 2010 Securian Winter Carnival Half Marathon with a camera, and I took videos throughout the entire race. It’s shaky. I know. I was running. Deal with it. See more at tinyurl.com or tinyurl.com

How often should I change my running sneakers?

I run from late January all the way through mid November. I run about 35-45 miles a week 6 days a week depending on what my coach wants me to run. I never run in the rain or snow only when it is sunny. How often should I change my sneakers? Is once a year good, or what because my dad does not want to keep buying my new running sneakers that often. Also, I have another pair of sneakers not for running so I just use my running shoes while running.