Honestly, it looks like it was filmed in an aquarium. I worked as a Marine Biologist for years, and know personally that many of the more dramatic scenes are filmed in aquariums, then tied in with wild footage. Look at that perfectly formed hole for an octopus habitat. In fact the whole scene in the picture doesn't look natural.
That's just my opinion, and my wife says I'm wrong quite often.
Cheers
Yea I'm thinking Red Brick, Artificial Reef Or as you said Aquarium