4 – After getting the Pink Keystone you need to underwater and climb some stairs to get the next switch. After the under water part there will be some poles. The Gatekeeper Coin is way off the back below water area.
2 – After getting the Green Square Keystone you slide down into the water. There is a path at the bottom to a new area and then keep going underwater until you enter a circle cistern with the coin in it.
1 – In the first large water area swim to the end and there is a small opening right before the ramp out of the water to an area with a Gatekeeper Coin.
2 – In the water underneath the Green Square Keystone.
3 – After crossing the small broken stone bridge you need to spin the gear on the top of the ledge. It will open a small area that takes you to a large back area with a Coin.
4 – Starting again from the small broken bridge head to the area with a large spike middle. The Gatekeeper Coin is over the edge by two drums.
5 – After filling the spike pit with water, then pulling the lever that is in the pit, you need to swim through the opened area and head left to a Coin just at the end of the stone path.
1 – After crossing the spinning stone block there will be a rotating pole to the right with a Coin at the bottom.
2 – From the same starting save point there is a pool to the left. Dive down and through the small hole to find a Gatekeeper Coin at the end.
3 – The Gatekeeper Coin is at the top of a long angled pole you need to work your way up. Head across to the far side and up the moving blocks and back to the coin.
4 – When you get to the block and move up and down the back left block has a path cut out of it. Enter here to get a coin.
5 – Also at the set of blocks moving up and down go over to the small rock fence at the top and on the other side is the coin.