Unlike other South Pacific getaways, you won’t find much of a need for adults-only resorts on Tongatapu. Despite being the main island of Tonga, Tongatapu’s main highlights are often secluded. Regardless, if you want to ensure an adults-only vibe, then the capital, Nuku’alofa is home to an adults-only lodge, while adventure activities such as whale swimming and scuba diving are rarely shared with young travellers. Plan your getaway to Tongatapu, right here, on Tonga’s largest travel guide.