Jökulsárlón is Iceland’s deepest lake and one of its most mesmerizing natural spectacles — a vast glacial lagoon where enormous icebergs calved from the retreating Breiðamerkurjökull glacier float serenely toward the Atlantic Ocean. The icebergs, ranging from brilliant white to deep electric blue and occasionally streaked with volcanic ash, constantly shift, crack, and roll, creating an ever-changing frozen landscape. Seals are frequently spotted lounging on the ice or swimming among the bergs.

Just across the road, Diamond Beach provides an equally stunning scene — chunks of crystal-clear ice wash ashore on the black volcanic sand, glistening like scattered diamonds. The contrast of translucent ice against jet-black sand, framed by crashing North Atlantic waves, is one of Iceland’s most photographed sights and a highlight of any Ring Road journey.

Pro tip: Visit both the lagoon and Diamond Beach at different times of day if possible — sunrise and sunset paint the icebergs in extraordinary colors. Take a zodiac boat tour to get up close to the larger icebergs and hear them crack and groan. Dress in warm, windproof layers, as the glacial wind off the ice can be biting even in summer.