sister and brother sitting on inflatable mattress and enjoying the sea water, cheerfully laughing when swim in the sea. careless

active beach beautiful beauty blue boy brother careless caucasian cheerful cheerfully child childhood children cute enjoying family floating friends friendship fun girl happiness happy holiday image inflatable joy kid kids laughing leisure level little mattress ocean outdoor outdoors people person play pool resort sea shot sister sitting smile summer sun swim swimming time together travel underwater unusually vacation water wave when young