Abstract: Devices and systems are provided which may be used to navigate and communicate while diving in dive sites and improve the safety of the diving experience. For example, in certain embodiments, a diver area system is provided which utilizes virtual underwater information to provide the user with their location, the location of other divers (or “buddies”), and/or location of a surface object (e.g., a dive boat). In certain embodiments, the devices and systems disclosed herein may provide user with their location relative to one or more buddies. The user can thus navigate intelligently throughout the dive site and track the location of their buddies which can improve dive safety and/or efficiency. Additionally, the user can communicate with one or more buddy divers and/or surface-based objects and individuals using embodiments of the disclosure.