Hi, here are my suggestions.
The graph contains
The maps(diagrams) illustrate
about a transformation an empty land into the recreation area
about the development of an island into a tourist attraction.
I suggest you to reorganize the paragraphs following this structure: 1-Introduction 2-overview 3-details 4-details. According to this scheme the sentence
The island experienced significant changes and turned into a modern tourist resort.
is part of the overview paragraph along with
Before the construction there was an empty space surrounded by sea with a beach and only a few palms on the island.
Hope it helps