If you are trying to identify a specific beach seen in a video, the most common "hidden" gems include:

: Features 90-minute 4K UHD videos of Oahu's beaches, often available for mobile download through their dedicated streaming service.

If you are looking for specific .mp4 video files for projects, several platforms offer licensed or free clips:

: It is available through National Geographic on Amazon . 3. Virtual Walks & Relaxation Content