hand-drawn sea shells, fossils, starfish, corals, seaweeds, waves abstract seamless pattern

seaside coastal shell coral starfish vector seamless pattern shoreline nature nautical vacation natural abstract waves handdrawn texture water summer ocean sea beach print design element graphic wallpaper tile swatch repeat repetition background backdrop fashion textile fabric drawing stylized outline silhouette pen whimsical doodle fossil beachcomber pebbles elegant maritime red seaweed