Well video game then Subnautica is exactly what you want if you haven’t played that.
RPGs there’s Blue Planet (alien ocean world)for bigger aquatic eco fare, and Bones Deep for a lighter, skeletons that “hatch” 😬 and walk and explore the ocean
Edge of Midnight will be intriguing ocean alien rpg but hasn’t released yet. For D&D could try out Seas of Vodari and Under the Seas of Vodari settings
If you’re looking for a video game, Still Wakes the Deep is FANTASTIC!!! You as the player are on an oil rig in the middle of the sea and the deep comes to meet you.
It'll be a while until the full expansion comes out, but I would totally run the game for you sometime before then (once I hammer out the details of the deep sea horror version)
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RPGs there’s Blue Planet (alien ocean world)for bigger aquatic eco fare, and Bones Deep for a lighter, skeletons that “hatch” 😬 and walk and explore the ocean
Keeping my peepers peeled for that Edge of Midnight rpg…
I need something like that silly KStew Cthulhu movie.