The clear blue waters and powdery sand of Lanikai Beach make for a relaxing day under the sun. Take a dip in the water, go kayaking or paddleboarding, and marvel at the view of the Mokulua Islands. There are plenty of shady areas under the palm trees if you need a break from the sun.
Immerse yourself in the history of Pearl Harbor National Memorial, a tribute to those who lost their lives during the attack on Pearl Harbor. Walk through the museum and watch documentaries to learn more about the events that took place. Don't miss the opportunity to visit the USS Arizona Memorial and pay respects to the fallen soldiers.
Journey to the east side of the Big Island to witness the beauty of Akaka Falls, a 442-foot waterfall surrounded by lush green jungle. Take the half-mile hike through the easy loop trail to see both the Kahuna and Akaka Falls. The park also offers stunning coastal views of the Hamakua Coast.
Explore the history of submarines at the USS Bowfin Submarine Museum & Park. Take a tour inside the submarine and discover how it was used in World War II. The park also has other interesting displays of weapons, torpedoes, and artifacts from submarine life.
For more luxury activities, consider booking a helicopter tour to explore the island from above or charter a sailboat for a sunset cruise. If you have more time, take a day trip to the North Shore to try surfing at Waimea Bay or snorkeling at Shark's Cove. If you have less time, consider skipping Akaka Falls State Park and spending an extra day at a luxury resort like the Four Seasons Resort Oahu at Ko Olina.