nautical-themed decor with sailboat, wheel, starfish, and seashells on a blue background. ideal for summer, travel, and coastal

nautical marine lighthouse sailboat seashell seastar flat lay background blue accessory adventure anchor banner beach board boat child composition concept decor decoration design desk expedition fashion flatlay holiday journey kid layout lifestyle maritime nature object ocean sea ship starfish summer table theme top view tour toy travel vacation vintage wheel yacht shell nautical-themed seashells background ideal coastal