Sonic R/Resort Island

The first level of the game.

Coins
Collect all the coins on this course to unlock Metal Sonic.
 * 1) On top of the rock, just after the first corner.
 * 2) Under the waterfall.
 * 3) This coin is behind the 20 ring door near the village.
 * 4) On the hairpin turn, just after the village, keep going forward. The coin is located on one of the islands.
 * 5) On the hairpin at the very bottom of the map.

Emeralds

 * 1) There is only one Emerald on this course (Blue). It is located behind the 50 ring door.

Glitches
Inside the rock tunnel, there is a point where two walls meet. If you move into that point you should be able to go through it and run around the outside of the course.