Camping en Jachthaven De Mars is a family-friendly campsite located within recreatiegebied Rhederlaag, near the Lathumse Plas in the Achterhoek region of the Netherlands.

It is one of three campings in the Rhederlaag recreation area, the others being De Veerstal and Rhederlaagse Meren, and it also features a marina.

The broader Rhederlaag area offers swimming, sunbathing, and watersports along the beaches near Giesbeek and Lathum. The recreation area is accessible from sunrise to sunset, with free entry though parking fees apply.

Dogs are not permitted during the summer season.