This is coming from a 15 year old boy from Singapore.
Smarticus is stupid, why?
1) He thinks that water is weightless, thus, it should float. But he contradicts it HIMSELF when he said that water is weightless in water. Alright, if you place a bottle with insignificant mass and fill it with water, and you place the water in water, the water in the bottle will not weigh anything. This is correct. But, the ocean, think of it as one body, is not in water. It is surrounded by land, air and anything else that is NOT water, so it will not be weightless.
Water in water = weightless
Water in another thing = NOT weightless.
Wait...
Maybe Smarticus is stressed out with so many words pounding at him, let us, the RE, show him a PICTURE to clearly show him our model.

As can be seen from the picture, the water in water is weightless...WOW!!! But, when it exits the ocean/sea/water-body, it acts like a fluid, meaning, it will sink, or in this case, fall, since it exited ocean and enter an "air" body, which has a lower density than water.
(similar to buoyancy)
The rest is explained in the picture
2) Smarticus believes that the Earth is pushing the water, so the water stays on the ground. This is STUPID. Let me say it again, THIS IS STUPID.
Obviously, Smarticus dont know a thing about RELATIVITY. The water, or the WHOLE SEA/OCEAN/WATER-body is traveling at the SAME SPEED as of the WHOLE EARTH, with a very small difference in speed, depending on the INDIVIDUAL movement of the molecules/atoms. When the speed, or in this case, VELOCITY, which is speed with a direction, is the same, the RELATIVE speed between Earth and the water you are talking about is ZERO km/h. Meaning, the water will not float.
But of course, the water is still pushing the Earth DOWN towards the Earth's core, but, because the Earth is so massive, the Earth only move an insignificant amount of displacement, and also, because there is an equal opposing force (newton's law).
( Force = Mass X Acceleration )
Take note: This is coming from a 15 year old kid studying PHYSICS!!! An adult is supposed to be more educated than a child, and this child is proving SMARTICUS/FE wrong...
Oh my god.