Lone swimmer in pristine clear blue water on a flat calm day on the Great Barrier Reef at Heron Island in Australia

---

Size: 4452px × 2968px
Location: Heron Island, Australia
Photo credit: © Australian stock / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: australia, azure, barrier, beach, blue, calm, clean, clear, cloudless, crystal, dip, distance, empty, environment, exercise, flat, great, heron, holiday, horizon, island, islands, lagoon, lone, lonely, ocean, pristine, recreation, reef, relax, relaxation, ripples, saltwater, sand, sandy, sea, seascape, single, sky, snorkel, snorkelling, sport, swim, swimmer, symmetrical, symmetry, trail, vacation, water, white