With its beautiful beaches and breathtaking peaks, Hawaii has been a favorite vacation retreat for so many decades. Oahu is the most popular among the archipelagos' islands, with its star attractions including Honolulu, world-renowned beaches and sights as well as a vast array of restaurants and accommodations. If you are looking for the ultimate list of things to do in Oahu, read on.

Diamond Head Sate Monument

The famously beautiful Waikiki beach owes much of its attraction to its majestic backdrop – the Diamond Head State Monument. This volcanic crater, dating back 300,000 years, also serves as the best lookout point from where to get sweeping views of Honolulu and the island. Get your most comfortable shoes, pack your water and start your ascent. Diamond Head is one of Hawaii's most spectacular hikes, with the view of the capital and ocean being the best reward for hikers.

Sign up for a Tour of Pearl Harbor

Not just for relaxation, Oahu is a wonderful place to take a historical tour due to the infamous attacks that took place on Pearl Harbor. A naval base up to this day, the base provides the perfect opportunity to learn about the pivotal moment that shaped modern history. Tours usually take at least six hours and cover different attractions like the USS Arizona Memorial and the Battleship Missouri. An educational tour, this experience is entertaining for the entire family.

Pay Tribute at USS Arizona Memorial

December 11, 1941 is a date forever etched into mankind's history. From the Visitor Center, you take a short boat ride to the USS Arizona Memorial which allows everyone to remember that devastating day when 1,102 sailors and marines died during the Japanese surprise attack on Pearl Harbor. Emotional yet enlightening, the memorial demonstrates that no one will benefit from war.

Go Snorkeling at Hanauma Bay Nature Preserve

Not to be skipped when it comes to things to do in Oahu, Hanauma Bay Nature Preserve with its long stretch of sand and emerald waters is America's best beach. A protected marine life conservation area & underwater park since 1967, it is the best place for snorkeling, regardless of age. The beach is divided into different shallow lagoons and has an outer reef, providing a calm and safe place to see tropical fishes, perfect for travelers with little kids.

Chill by the Beach of Waikiki

Long before other attractions became popular things to do on Oahu, Waikiki Beach already was a tourist attraction. Situated in the urban area of Honolulu, it is one of four beaches in the neighborhood, with apartments, hotels, and other establishments facing its beachfront. If you love experiencing the local scene with its different people, Waikiki is ideal for you. Swim, sunbathe, or enjoy the ocean views; you will love the vibe at Waikiki Beach.

Visit the King at Iolani Palace

Before it was annexed as a US Territory, Hawaii had a royal family. Its last such family lived in Iolani Palace, located in downtown Honolulu. Its European architecture, Florentine to be exact, makes it a head turner even by modern standards. Built in 1879, the palace includes many first-time novelties in Hawaii, from flushing toilets to its light system. Opened to the public in 1978 after a massive renovation, Iolani Palace provides tours enabling visitors to view the different rooms, ornate furniture, royal gifts, as well as the beautiful koa staircase.

Embrace Local Culture at Polynesian Cultural Center

Though one of the fifty states of the U.S.A., Hawaii has its own distinct culture, sharing characteristics with other nations and territories of Polynesia. Learn more about the group of archipelagos and islands by visiting the Polynesian Cultural Center. Covering 42 acres, this Polynesian-themed park is a living museum. Visit Polynesian villages and get acquainted with local cultures of Hawaii, Samoa, Fiji, Tonga, and Samoa, among others. Learn about Hawaiian food, the royalty, and watch traditional dances.

Go Surfing at the North Shore

Surfing, initially based on the Polynesian sport of wave riding, was one of the first things to do in Oahu and all of Hawaii. Those who want to challenge the biggest waves should go to North Shore and its famous Seven Miles Miracle. Its winter waves, occurring between November and February, reach up to fifteen feet to the delight of professional surfers. For this reason, North Shore has been a venue for various professional surfing competitions. If you are a beginner, visit the North Shore during summer when the waves are gentle.

Sway Your Hips with Oahu, Luau

First-time visitors to Hawaii wondering about what to do in Oahu should not miss experiencing a luau. A major part of the local culture, luaus take place all over the island, particularly on the North Shore, in venues such as the Polynesian Cultural Center, Paradise Cove Luau, and Royal Luau. The event starts at sunset and guests will witness various traditions, from roasting pigs to hula performances. During this family-friendly nightlife activity, everyone can dig into an all-you-can-eat dinner buffet serving Hawaiian dishes.

Shop at Aloha Stadium Swap Meet

There are many shopping areas all over Oahu where tourists can find everything, from designer clothes to souvenir items. A favorite place to go is the Aloha Stadium Swap Meet, Hawaii's largest open-air flea market. Held outside the largest sporting arena, the Aloha Stadium, the swap meet offers inexpensive products to take home for yourself and your friends. Since 1979, up to 400 vendors sell some of the best products at this swap meet. Crafts, local products and, of course, food are all ready for you to snatch up, including handcrafted Hawaiian doll clothes, trinkets, and Macadamia nuts. The Aloha Swap Meet is also a nice place to enjoy affordable meals.

With this comprehensive list of things to do in Oahu, it proves that Hawaii generally is one of the best places to enjoy a holiday. Leave your stresses behind and enjoy the activities, attractions, locals and scenery in Oahu. On this island, you enjoy the best of the marriage between native Polynesian culture and the North American hospitality industry.