There isn't too much of a downside to visiting Hawaii, but there are certainly areas that are more designated for tourists. One example is Waikiki Beach in Oahu, because it's essentially a strip of luxury hotels, expensive stores, and chain restaurants on a crowded beach.
The majority of what can be found at Waikiki Beach is already at most beach towns across the U.S. Instead, visitors should find areas that show off Hawaii's natural beauty such as the Na Pali Coast in Kauai, Lanai Lookout in Oahu, or Pipiwai Trail in Maui.
