2 to 4 coral reef boards (the same number of coral reef boards as players in the game), each depicting a different rock onto which a coral reef is beginning to form. Sandy areas in deeper water where the coral polyps will not grow. The lighter coloured 'extra growth' space into which corals will automatically expand.

20 alga cylinders - 5 in each of the four alga colours: blue, green, purple and red.

50 larva cubes - 10 in each of the five coral colours: grey, orange, pink, white and yellow.

16 shrimps - 4 in each of the four player colours: purple, green, red and yellow.

10 coral tiles. Each tile is unique and displays two of the five coral colours and two of the four alga colours.

200 polyp tiles - 40 polyp tiles in each of the five coral colours: grey, orange, pink, white and yellow.