Beach Camping

• May is ideal for beach camping on any island. Campgrounds offer showers, picnic tables, grills and pavilions, along with swimming, snorkeling and parks.
  
  

Na Pali Hike

• On the island of Kauai is an 11-mile hike along a remote coastline called Na Pali, accessible only by boat or on foot. On the picturesque shore, tourists may glimpse dolphins, sea turtles and whales.
  
  

Tunnels Beach

• Tunnels Beach is on the north shore of the island of Kauai. It gets the name from its tunnel-shaped waves and the tunnels and lava tubes along its inner and outer reef. Tunnels Beach is a prime location for diving, snorkeling, advanced surfing, advanced kite boarding and watching the sunset.
  
  

Dole Pineapple Plantation

• On the north shore of the island of Oahu is the Dole Plantation. Tourists can take a train ride through pineapple fields and sample fresh pineapple. They can also try not to get lost in the Pineapple Maze, the largest maze in the world.
  
  

Mountain Biking on Kaupo Road

• On the island of Maui is a 40-mile road perfect for mountain biking. Points of interest include Charles Lindbergh's grave, lush valleys, ocean cliffs and, perhaps, wild pigs. A store along the path offers drinks and snacks.