The correct setup of your straps will make a great difference in controlling your Goya board.
Front Strap: Having the front strap further forward gives you more access to the front area of the board and more control for maneuvers. Having the front strap further back gives you more power on the tail rocker, rails, and fin.
Rear Strap: Placing the back strap further forward will give you more flotation, support, and power on your back foot. For wave sailing, it will also make your turns more drawn out, making it easier to maintain your speed through turns. Placing the back strap further back will give you more power over the tail and will help you turn tighter on the spot while wave sailing.
Having your feet closer together will give you more a more upright riding position. Having your feet further apart will give you more access to various opportunities while riding or jumping, as you can make more radical weight changes to the front and back of the board. Using the inside holes (closer to the center of the board) will make some maneuvers easier, such as jibes, carves, or freestyle tricks. Using the outside holes will give you more rail control while trimming upwind at speed.