Coral Beach 1 is extremely simple and probable not a place that you will spend much time.
Monsters:
Torobbie - drops include carrot, Entry Application
Stones/Crystals (AP, DP, DX, Light Resist etc. These stones are used for mature compounding but they are of too low level to be very useful).
Drilling:
Crystal
Cocoa
Empty Potion Bottle
Pink Potion A
Blue Potion A
