The video shows a first-person view of a player in Minecraft. The player is standing on a wooden platform and looking out over a large body of water. The water is a deep blue color and appears to be a sea or ocean. The player then jumps off the platform and into the water, swimming around and exploring the underwater environment. The water is clear and the player can see the sandy bottom of the ocean. The player continues to swim around, exploring the underwater world of Minecraft.