close up view of lightning whelk shells sitting on sand

and angles background beach beachcomber beautiful best busycon captiva close closeup colors decoration decorative design exotic florida fort island islands lightning lines many marine myers natural nature ocean pattern perversum pretty sand sanibel sea seashells seashore seaside shapes shells shore sinistrofulgur sinistrum sitting snails souvenirs spiral summer swirls their travel treasure tropical univalve unusual vacation view welks whelk whelks with