Even before the actual text, there are words set in colour above the text. These words emphasize the words "beaches", "luxury", "Antigua" and "Barbuda". So the reader would actually relate all these words. Comparing beaches and luxury to Antigua & Barbuda.
At first, the ad tells us about the big island, Antigua. It emphasizes tha amount of beaches and entertainments there are, so everyone could seem to enjoy the stay on the island. It also contrast that it is achievable by anyone. It says there are places to stay for famous and rich people, as well as places that are cheaper in which usually the sailors stay. The fact that it uses numbers (such as 365 beaches and 108 square miles) gives the feeling of variety and size. People would relate that to the island being exclusive, however with a lot of variety for enterntainment and touring purposes.
The text also mentions the historical landmarks on te island, rederring to elements like the British Navy and so.
When the text starts to mention the other island, Barbuda, it says it's totally different, therefore there is more variety for people to enjoy and activities for every different liking. It says it's wild and barely inhabited, giving us the sense of adventure.
At last instance, there are activities offshore, so even if you don't like being in the island, there are activities you would enjoy.