How deep is the lagoon? November 07, 2019 22:14 Follow The lagoon has a range of depths and can be identified by signage placed around the lagoon. Related articles If I fall off a wave will I hit the bottom? What temperature is the water? When and where is it safe to enter the water of the lagoon? What do I need to bring with me to URBNSURF? What do I do if I need assistance / rescuing?