Dear Vicky;- Of course, I only go to Sanibel in the summer and only about once every five years. I have never failed to find wentletraps there at the high tide (coffeegrounds) line. With them are always olivella and a numebr of other very light shells. I look from a point equal to where the road from the mainland would project to. From there toward the lighthouse. They thin out as you get close to the lighthouse. You can also go in the opposite direction from what used to be the Best Western Motel. A very low tide is also good. If you dont find any there, try the beaches off Charleston, SC. Better yet---invite me down (all expenses paid) and I'll show you. Art