Most likely the final part of the Flooded Area map series. To me it is the most useful, because it has both the ability to connect to the non-submerged part of the city, and the above-water building, which can serve as a shelter or a den of enemies.
Here you can download the main version of this map:
Grid: https://drive.google.com/file/d/1Yvx0q0UDQ0ux03jLHpD-z8DpXt2HuUPT/view?usp=share_link
No grid: https://drive.google.com/file/d/1Yo1fAgHVuHPbgMMLEZRKw6uGET0Wd98G/view?usp=share_link
plus the .webm version for online platforms: https://drive.google.com/file/d/1_W_cjGs0gZ604NoTDfdrUKtJxT0Mytwx/view?usp=share_link
Still version is attached to this post.
Hope you enjoy using this map and thank you for your support!
Also you can check out these patreon pages for more animated maps: Animated Dungeon Maps || Cybermaps