Manasota key is the best place as far as I have found. but a little further south.
If you want to do it right, you'll soend a whole day away from CEB, but will that make the besst of your time and money for that WE? It can be almost 2 hours depending on traffic and where you go.
I'd think about (if you have just 2 days) saving the Sharks teeth hunt for when you choose a WE south of clearwater in Anna Maria, SK, Or sarasota? The only other option is to get up really early, get down to Manasota key in the am, do your searching, then hit a beachfront restaurant ont he ay back up be is Sharkeys in Venice or one on anna maria then back in clearwater late afternoon.
but not really wise to do a big road trip on short WE stay.
Thank you so much for your suggestions! We found about 60 sharks teeth in about an hour and a half at Manasota Key!! We ate at Sharky's like you also suggested and it was delicious! The water on Venice Beach was sparkling like diamonds. I thought of the crystal sea... Thank you so much for your advice! We will definitely have to plan another trip and spend more time. We caught Siesta Key beach on our way back to Clearwater right at sunset... amazing!!
Thank you again!! We had a very memorable time!
Glad you had success!