To provide a coin conveying trough to be provided inside a game machine island which can be electrically/mechanically simple and whose occupied area can be reduced as much as possible.

In a coin conveying trough (15) to be provided inside a game machine island (1) for conveying a coin (C) discharged from a game medium dispenser (5) to a prescribed position, by inclining the coin conveying trough (1) downwards in the direction of conveyance, the discharged coin (C) can be rolled while standing on a bottom (31). Since the coin is conveyed by rolling, the occupied area can be made small in comparison with a conventional system for conveying the coin while lying on a belt, and the trough can be made simple mechanically/electrically.