Mushrooms in Coral Island play a crucial role in both boosting your income and fostering friendships. However, stumbling upon them can be challenging, as they aren't abundant. Fortunately, the game provides an efficient and simple method for cultivating this valuable product: Mushroom Logs. Although they may appear as unremarkable piles of wood initially, once you grasp their functionality, they evolve into one of the most lucrative aspects of your farm. This guide explains how to unlock and use these Mushroom Logs to double your profit and never run out of gift ideas for the villagers.