De Phenix (English: The Phoenix) is a smock mill in Marrum, Friesland, Netherlands which was built in 1917.

The mill has been restored to working order and is used to train millers.

[1] The first mill on this site was built by millwright J T Kingma of Ternaard in 1845.

To replace it, the sawmill De Phenix was moved from Leeuwarden.

which was cast by Prins van Oranje, The Hague, South Holland in 1888.

Each revolution of the screw lifts 1,272 litres (280 imp gal) of water.