okay so i just thought of this, tried it, and it works! so instead of placing dirt, first you want to make the glass outline of the house, then dig yourself into the house and place 1 sign on the glass for an air block. then, just fill the entire place with leaves, and they will decay and leave an air space so you dont have to remove it. any thoughts?
Could you possibly make a video? I'm not saying that you're lying but I want to see it so I can follow I've always wanted a underwater base.
i like the leaves idea i usually use sand and its a pain! my biggest house covers about 50x50 block radius thats about 12 blocks high (two stories) underwater it took me like 3 hours to fill it with sand and mine it out ON CREATIVE!