The Marion course is a large, field-forest golf course in Mario Golf and Mario Golf: Advance Tour. It contains not only a course, but a gigantic castle-like Clubhouse. It is the first course in the game, and Joe is the current singles champ, with him and Putts as the doubles champs. The course's name seems to be a combination of "Mario" and the real-life Merion Golf Club.
The Marion Course Practice Center is a grassy area with bumpy hills and lily-pads floating on ponds. The golfing activities in this Practice Center include an approach-shot contes, a backspin/topspin tutorial, and a putting green with putt challenges. Joe can be found there.