Laguna de Kaan Luum, Freshwater lagoon near Tulum, Mexico.
Laguna de Kaan Luum is a freshwater body near Tulum with shallow green water around its edges and a deep blue sinkhole in its center. The water shifts from lighter shades at the perimeter to darker blue toward the depths, creating a natural basin formed by limestone bedrock.
This water body formed millions of years ago through the collapse and erosion of limestone layers, a geological process that shaped the entire Yucatan Peninsula. Human settlements in the region have relied on such water sources since ancient times.
Local communities have used this water source as a gathering point for generations, and you can see how people today still come together here for swimming and relaxation. The lagoon remains a place where families spend time together on the water and along its banks.
You can reach the site by walking a short path from the parking area, and wooden platforms and changing facilities are available on-site. Arrive early to enjoy quieter hours and make the most of your time there.
A very deep hole sits at the lagoon's center, creating a striking color boundary between the lighter green waters around it and the dark blue of the sinkhole. Visitors often focus on this dramatic contrast in water color when spending time at the water's edge.
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