After going through your posts here, it seems like that you all agree with this fact that when Lord Vishnu took the avatar as Lord Ram and Laxmiji as Sita, then there was no one living in chirr sagar, but they both were present on earth as Rama and Sita. i actually, to be honest wid u, never thought of this. Thought that Lord Vishnu ji always staysthere in chirr sagar. so, which one is the correct statement?
But then in Shri Krishna they also showd in this way that Lord Krishna was present on earch as well as in Golok ( the one above heaven where shri Krishna does raaslila wid all the Gopias and Radhaji).
Lord Krishna was different. He was everywhere and nowhere.
I have seen in many movies, serials, cartoons that when the Devas come to Lord Vishnu he disappears to take an avtaar to save them.
As to whether Lord Vishnu stayed in the milk ocean always, I am not sure.
By the way, the ocean on which Adhisesha floats bearing Lord Vishnu - is it the same one which was churned?