Webhonolulu is full of free things to do, from markets and museums to beaches and stunning scenic drives, not to mention plenty of sites that tell the story of hawai'i's long, complex history. Here are 20 of the best free things to do. Web — oahu is home to some of the most beautiful beaches in the world, but some of the best ones are off the beaten path. Another great option is yokohama bay, a remote beach with soft sand and turquoise water. Web — highly rated hidden gems in honolulu: Top hidden gem activities. See tripadvisor's 9,61,063 traveller reviews and photos of honolulu hidden gem attractions Oʻahu’s east side boasts one of the most beautiful tropical oases in the entire aloha state, ho'omaluhia botanical gardens in kaneʻohe. Web — oahu's north shore has long been a siren calling surfers and free spirits to its sandy shores. Web — highly rated hidden gems in oahu: Top hidden gem activities. See tripadvisor's 1,312,418 traveler reviews and photos of oahu hidden gem attractions Web — highly rated activities with free entry in oahu: The top things to do for free. See tripadvisor's 1,313,750 traveler reviews and photos of oahu free attractions Web — discover oahu hidden gems. O ahu might be hawaii's most visited island, but there are still plenty of places to get away from it all. Polynesian legends tell of moana nui ka lehua, an ocean spirit who guards the channel between oahu and kauai.