Äksi is a small borough (Estonian: alevik) in Tartu Parish, Tartu County in Estonia. It is located on the southern shore of Lake Saadjärv, and has a population of 480 (as of 1 January 2020). From the Middle Ages until the first half of the 20th century, Äksi was also known by variants of its German language name Ecks.

The Ice Age Centre, a museum about the latest ice age, is located in Äksi.

There is a monument for the fallen soldiers of the Estonian War of Independence (1918-1920) in Äksi.

Gallery

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  Building at Saadjärv lakeside
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  Äksi cemetery
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  Church of Andrew the Apostle