Like its name suggests, the Blue Lagoon is a vibrant cobalt color that's worth snapping a few pictures and swimming a few laps around. The water is cool, very deep (approximately 200 feet ...

The first thing to note about the Blue Lagoon, unsurprisingly, is how incredibly blue it really is. Not a deep-sea murky inky type of blue, but a weird starkly bright cobalt blue, like the ...