Complex sentence: To make up for sugar losses in Nevis, the island opened its first hotel in 1778, the first hotel in the Western Hemisphere, the Bath Hotel, over the site of one of the island's famous hot springs.
Split into simpler sentences: To make up for sugar losses in Nevis, the island opened its first hotel in 1778. The first such establishment in the Western Hemisphere, the Bath Hotel was constructed over the site of one of the island's famous hot springs.