A welcome case of the blues.

These animals, largely cichlids, enjoy pristine cerulean surroundings.

Crater Lake, Oregon

Sujata Jana/Eye Em/Getty Images

Americas deepest lake is perhaps its most enchanting.

Woman standing on the shore of Lake Pukaki

Credit:Janice Chen/Getty Images

This body of water, carved by a volcanic eruption, sits flanked by the snow-flecked Cascade Mountain range.

Sediment dictates the waters clarity, while the concentration of algae controls the color.

The paper-white sand makes the lakes azure tone even more distinct.

Lake Pukaki in front of Mt Cook

Westend61/Getty Images

Travelers flock to the 19-mile-long Torch Lake for its renowned jewel-toned water and lounge-ready sandbars.

Its a go-to for boaters, sunbathers, and beachcombers; its also an ideal getaway forhouseboat trips.

Add the mirror-still turquoise water, and this Banff National Park escape is almost too good to be true.

Monkey Bay, Boats on Lake Malawi

mtcurado/Getty Images

The lakes, situated in Nepals Sagarmatha National Park, await at an elevation between 15,400 to 16,400 feet.

Its the worlds highest freshwater lake system, reachable via trek or flight.

Slovenians banned motorboats here, which means the lake provides another hard-to-find delight: quiet.

Crater Lake with blue water

Sujata Jana/Eye Em/Getty Images

This sapphire stretch of fresh water provides a mirror for the spiky Cuernos del Paine peaks soaring above it.

High angle of rocks along Lake Baikal

Kartazon Dream/Getty Images

Smooth rocks in Lake Tahoe

stevedunleavy.com/Getty Images

Lake McKenzie on Fraser Island

Paul Atkinson/Getty Images

A person paddle boarding on Torch Lake

Pure Michigan

Lake Moraine in Banff National Park

Martin Klima/Eye Em/Getty Images

Sherpa village teahouses glaciers Himalayan mountain peaks Gokyo Nepal

fotoVoyager/Getty Images

Aerial view of blue waters of Lake Bled

Michela Sieman/Travel + Leisure

Pehoe Lake in Patagonia, Chile

Westend61/Getty Images