Katalyki Lake is one of the most important and unique wetlands in southern Crete, located directly behind the namesake beach of Tymbaki.

Geographically, it stretches across the flatlands between Kokkinos Pirgos and Afrathias, forming the natural boundary where the Messara Plain meets the Libyan Sea.

It is a seasonal lake-marsh, fed by rainwater and local groundwater. The landscape around the lake is singular, combining dense aquatic vegetation with coastal sand dunes, creating a sanctuary for numerous migratory birds and rare species of Cretan fauna. Its ecological significance is immense, as it is one of the few remaining natural wetlands in the southern part of the island.

Access to the lake is easy, as it is in immediate proximity to the road network leading from Tymbaki to Katalyki Beach. Visitors can explore the perimeter of the wetland, enjoying the tranquility of the landscape and nature watching, especially during the spring months when water levels are high.

Despite its proximity to developed tourist areas like Kokkinos Pirgos, Katalyki Lake remains a pristine natural treasure. Preserving its untouched character is vital for the balance of the local ecosystem, while offering visitors a rare opportunity to discover the hidden, nature-oriented side of the Messara Plain.