Sunlight in an Underwater Lava Tube

Sunlight streams through openings in the ceiling of an underwater lava tube, illuminating the white sandy floor and a small school of fish swimming between dark basalt rock walls.

A photo of sunbeams piercing ceiling skylights inside First Cathedral off Lānaʻi, lighting a white sand floor, dark basalt walls, and small fish See more

#Sun Rays Underwater

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Sunlight streams through openings in the ceiling of an underwater lava tube, illuminating a small school of yellow butterflyfish swimming above the sandy floor.

An underwater view looking out from inside a dark, rocky cave toward a bright, sunlit opening, with light rays filtering through the clear blue water onto a pebble-covered seafloor.

A view looking down into a deep underwater chasm with rocky walls featuring stalactites, illuminated by sunlight filtering from the surface into the dark blue water.

A beam of sunlight illuminates the clear turquoise water inside a limestone cavern, where a school of sergeant major fish swims through the light.

A scuba diver illuminates bell-shaped limestone formations in a dark underwater cave with a single light beam, while a faint shaft of daylight penetrates from above.

A snorkeler is silhouetted against the sunlit surface of the ocean above a vibrant coral reef teeming with small orange fish.

A single sunbeam streams through an open hatch into the dark, rusted cargo hold of an underwater shipwreck, illuminating suspended particles and the silhouettes of vintage vehicles.

A woman with long braids and a dark wetsuit swims underwater in a sunlit cavern with rock formations.

A beam of sunlight shines through an opening in the ceiling of a dark cave, illuminating a clear, electric blue pool of water filled with submerged boulders.

A scuba diver in a black drysuit hovers underwater beneath a thick ice sheet, with a square opening in the ice allowing a bright shaft of sunlight to illuminate the dark, turquoise water.

A small white submersible floats near a towering column of silver bubbles rising from an underwater vent, illuminated by a shaft of amber light in a deep teal ocean with pale fronds on the seafloor.

Rusticles and soft corals hang from the rusted steel structure of a shipwreck underwater, illuminated by a shaft of sunlight from the surface.

An underwater view of a turquoise ocean current swirling white sand and numerous air bubbles, illuminated by bright sunlight filtering down from the surface.

An underwater wide-angle view of the rusting deck of the SS Thistlegorm shipwreck in the Red Sea, featuring a large school of glassfish swimming within the dark cargo holds.

A view from underwater looking up through a triangular hole in the ice, with light filtering down into the dark green water.

A school of grey reef sharks swims along a vibrant coral reef wall in deep blue water, illuminated by sun rays filtering from the surface.

A freediver in a black wetsuit swims through the center of a large, circular school of sardines in deep blue ocean water, illuminated by sunlight filtering from the surface.

A large shoal of silver fish swims above a dense underwater forest of kelp, with sunlight filtering through the water in green shafts.

An underwater view of a sea cave with a bright blue arched entrance illuminated by sunlight filtering through the water onto a white pebble floor.

A vertical underwater view shows a single bright sunbeam piercing through clear blue water, illuminating a rocky reef and a sandy sea floor with small fish swimming in the light.

A wide-angle view from deep within a cenote, showing a single column of sunlight piercing through the water and a layer of hydrogen sulfide to illuminate the rocky floor, with tree roots visible at the opening above.

An underwater view looking up at a dense layer of floating pumice stones, with sunlight streaming through the gaps in rays and small silver fish swimming beneath the rocks.

A whitetip reef shark swims through a single shaft of sunlight penetrating the dark, rocky interior of an underwater cavern.

A vibrant coral reef wall drops into the deep blue ocean, illuminated by bright sunlight filtering through the water surface.

A low-angle underwater view of hundreds of Velella velella, or by-the-wind sailors, floating at the surface of the ocean with sun rays filtering through the water.

A wide-angle view from water level inside a sea cave, where sunlight entering through an underwater opening illuminates the water and limestone walls with a vibrant electric blue glow.

A silhouette of a scuba diver swimming through deep blue water with sunbeams filtering down from the surface and a coral reef visible on the right.

Sunlight streams through holes in the rusted deck of an underwater shipwreck, illuminating the silt-filled hold and the skeletal remains of the ship's structure.

A bronze whaler shark swims through the sunlit opening of a sea arch, with shafts of light illuminating its back against the dark rock walls.

Sunlight streams through the surface of deep blue water, creating visible light rays that penetrate into the dark depths below.

An underwater view of a clear river with a sandy bottom, green aquatic plants, and several golden fish swimming in the sunlit water.

A view from the floor of a dark cave looking up at a circular opening in the ceiling, where a single shaft of sunlight illuminates dust particles and mossy boulders below.

A large sea fan coral is silhouetted against the sun, with golden light rays piercing through the deep blue water in an underwater scene.

An underwater view of a sculpted, turquoise-glowing ice cavern with a sandy, silt-covered floor.

A bright sunbeam shines through an opening in the ceiling of a dark limestone cave, illuminating a wet rock formation and a pool of clear green water below.

An underwater view of a shallow reef with brain corals and a school of striped sergeant fish, looking up at a rain-pocked surface in soft grey-green light.

A large school of fish forms a spiraling column underwater, illuminated by sunbeams filtering down from the surface above a coral reef.

A vertical column of silver air bubbles rises through dark, murky green water, illuminated by a shaft of sunlight from the surface.

Sunlight streams through an opening in a cave ceiling into the clear turquoise water of a cenote, illuminating limestone rock formations and mineral deposits on the floor.

A beam of sunlight illuminates a rocky underwater cave wall covered in red coral and yellow sponges, with a small school of red cardinalfish swimming in the light.

A view looking up from deep underwater toward the circular opening of a blue hole, with bright turquoise light filtering down through the water and silhouettes of people visible at the surface.

A column of silver air bubbles rises through the clear blue water of a cenote, illuminated by a single shaft of sunlight streaming from the opening above, surrounded by dark limestone walls and hanging tree roots.

A large tarpon swims through a dense school of silversides inside a dark limestone grotto, illuminated by dramatic sun shafts piercing through openings in the ceiling.

A scuba diver swims through a sunlit cenote with limestone rock formations and clear blue water.

A school of orange redfish swims among white Lophelia coral colonies on a dark, deep-sea reef illuminated by the twin spotlights of a submersible.

Underwater view of Champagne Reef featuring volcanic gas bubbles rising from a black sand seabed surrounded by coral, sea fans, and sponges, with sunbeams filtering through the water.

A sunbeam shines through a circular opening in the ceiling of a limestone cave, illuminating the clear turquoise water of a spring below, with ferns hanging from the cave rim.

A large school of orange anthias fish swims above vibrant purple soft corals on a granite boulder reef, illuminated by sun rays piercing through the water from the upper left.

A large, dense shoal of silver fish swims through clear blue ocean water, illuminated by bright sunbeams filtering down from the surface onto a sandy seabed.

A wide-angle view looking up from deep within an underwater cave toward a circular opening at the surface, where bright sunlight illuminates turquoise water and sand cascading over the edge.

A freediver silhouetted against the bright surface light while swimming through a large, swirling school of fish in deep blue ocean water.

A beam of sunlight streams through an opening in a limestone cave ceiling, illuminating the clear water and hanging tree roots of a cenote.

Two slender, alien-like figures with domed helmets and finned limbs swim through a dark underwater environment, illuminating a vibrant coral reef with lights attached to their heads.

A large school of small, silver fish swims through a shaft of sunlight penetrating the deep blue ocean water.

A vibrant coral reef wall teeming with diverse soft corals and sea fans is illuminated by sunlight filtering through the water, with a steep drop-off into deep blue water on the right.

A school of fish swims around the coral-encrusted mast and rigging of an underwater shipwreck, with sun rays filtering down from the surface.

A vibrant coral reef wall teeming with barrel sponges, rope corals, and small fish, illuminated by sunlight filtering through the water from the left side.

A scuba diver swims through the crystal-clear, sunlit waters of an underwater limestone cave, with stalactites hanging from the ceiling and light beams filtering down from above.

A scuba diver swims near the opening of an underwater cave, with bright blue light filtering in from the exterior.

An underwater view of a cenote featuring a dense layer of white hydrogen sulfide cloud resting on the bottom, with bare tree branches protruding from it and a single shaft of light filtering down from the surface.

A large school of small, golden fish swims inside a dark coral cave, illuminated by a single bright beam of sunlight streaming through an opening in the reef ceiling.

An underwater view of the Silfra fissure featuring dark basalt rock walls, vibrant lime-green algae on submerged boulders, and bright sunlight filtering through clear blue water.

A freediver in a black wetsuit swims through an underwater limestone archway, with sunlight filtering through the water into the deep blue sea beyond.

A stone staircase descends into a dark abyss on the ocean floor, surrounded by bioluminescent sea anemones and suspended particles in the water.

A freediver swims upward through columns of rising bubbles above a dark volcanic seabed with purple sea fans, illuminated by sun rays breaking through the water surface.

A large school of small, silver fish swims through a bright shaft of sunlight penetrating the deep blue water, with the surrounding area fading into darkness.

A scuba diver swims through the clear water of a cavern above a dense layer of hydrogen sulfide mist, with sunlight streaming down from an opening above.

A freediver descends head-down along a vertical guide rope into the deep blue water of a cenote, with sunlight streaming down from the surface above.

An underwater view of a rusted shipwreck covered in coral, with shafts of sunlight illuminating a large shoal of small fish swimming over the deck in clear blue water.

A bright sunbeam illuminates wet, textured flowstone and a clear green pool inside a dark limestone cave.

An underwater view looking up toward the surface, with bright sunbeams piercing through the teal water and numerous air bubbles rising through the dark navy depths.

A massive, lumpy golden-brown Porites coral colony sits on the seafloor, illuminated by sun rays filtering through the water, with a school of small blue-green fish swimming above it.