Dont like the beach thing, but i like the blue water and floating candle. beach wedding center piece Fair Romero Fair Romero Fair Romero pollard this would be simple and you can do some with the green and orange you doing.
Smaller vase inside larger to decorate vase. Floating candle in the middle. Could do it with lots of other things besides lemon slices such as beads, pearls, flower petals, fabric, ribbon. Possibilities are endless!