Letoon being  a sacred and political site  was like an altar of the Lycian union.  Letoon or  temple of leto was discovered by an English naval officer in 1841.

3 temples belonging artemis , Apollo and leto  was revealed after excavations done in the area. Besides these temples remnants from 6^th century and a Hellenistic porch from 1^st century was found.T he scripts written in 3 different languages over temple of leto give us clues about the life in letoon.  Aramaic , greek and lycian scripts say that the pixoderes had started to reign the caria and lycia satrapies in 358 a.d and set a good relationships between the lycians and hekotomnid dynasty. Another script gives information about the visit of Alexander the great to site.

Diffuculty of excavations due to the high natural underground waters in the area obstructs to find more remnants in the area. Greek planned theater , temples , agora and nympheiums are the attractions to be seen in letoo.

According to a legen said by latin poet Ovidius ; Leto after giving birth to her twins Apollo and artemis in Delos island goes to the edge point of  xantos river where the water mixes with sea water.  Leto wants to reach to source of water from this point and starts walking through river and on the way to source Leto wants to wash her twins in xantos however she is stopped by locals . She turns all the locals to frog upon their rude behaivour to her.  The other locals built a temple dedicated to her exactly where she turns the people to frogs.

After visiting the antique letoon you can go through the sea and beach . Letoon beach is a part of 18 km long patara beach but with a longer width around 2 km.

Not even one restaurant or a place to accommodate in and around letoo so if you want to spend time in beach get your picnic pack ready before you go.