If you’ve been asking yourself, ‘Do you need a marriage license to renew vows in Hawaii?’—we have incredible news: no, you do not. Because you’re already legally married, there is zero legal paperwork, no waiting in lines, and no state license fees. However, 'no marriage license' doesn't mean zero rules. From required state beach permits to timing your ceremony just right, here is what you actually need to pull off an unforgettable Oahu vow renewal.