Montecristo Island is located north of Elba, an Italian island in the Tyrrhenian Sea. Elba is the largest island in the Tuscan Archipelago and is approximately 10 km from the mainland. It is known for its beautiful beaches, crystal clear waters, and lush vegetation. Montecristo Island is a small island located off the coast of Elba and is part of the Tuscan Archipelago. It is a popular tourist destination due to its stunning scenery and rich history.