The Big Island of Hawai'i offers a variety of family-friendly activities that cater to all ages and interests. Here are some of the best experiences to enjoy with your loved ones: Visit Hawai'i Volcanoes National Park, Snorkeling at Kealakekua Bay, Mauna Kea Visitor Information Station, Waipio Valley Lookout and Hike, and Pana'ewa Rainforest Zoo & Gardens.