serene sea background: sun, bokeh, and clear sky with calm water, perfect for cruise and vacation-themed s

sea light background blue abstract bokeh bright glow flare blur lens ocean water shiny summer texture nature pattern color design sun motion sky wallpaper beach glare sunny glowing space white defocused beam art soft glitter pond sunset sunrise nobody party turquoise sunshine rays effect decoration spring underwater sunlight tropical clean season travel clear surface freshness liquid fog lake blurred serene background: calm perfect for cruise vacation-themed illustrations tranquil scene: designs