|• Total||3.26 km2 (1.26 sq mi)|
|Elevation||450 m (1,480 ft)|
|• Density||1,300/km2 (3,200/sq mi)|
|Surrounded by||Cudrefin (VD), Gampelen (BE), Ins (BE), Saint-Blaise, Thielle-Wavre|
Marin-Epagnier is a former municipality in the district of Neuchâtel in the Swiss canton of Neuchâtel. In 1888, the formerly independent municipality merged with Epagnier and Marin to form Marin-Epagnier. On 1 January 2009 the former municipalities of Marin-Epagnier and Thielle-Wavre merged into the new municipality of La Tène.
The Iron Age archaeological site of La Tène is within Marin-Epagnier's communal boundaries. (See also La Tène culture.) La Tène is a village at the eastern end of the Lake Neuchâtel (Lac de Neuchâtel), a lake in Switzerland. La Tène has a sandy beach, unique in Switzerland.