How old do you need to be to surf or swim? January 11, 2021 03:44 Updated Follow Our minimum age requirement for children in the lagoon (including sessions and lessons) is 6 years. Related articles How do you manage crowds? Are there barreling waves in Expert surf session? What is your change, cancellation and refund policy? Does URBNSURF have on-site child care facilities? Can I surf at night?