It wasn't indeed, but was in dead.
The letter "a". Not in DEED but in De'A'd
A snake bites at back, takes it to a Chinese County.
Apparently, there is a Chinese county named AN As for N as Snake, just see this. the Egyptian heiroglyph makes it quite clear.
Ahead of time, it enhanced into a color.
Time=t(As in Physics). TAN is a color.
Back it up, and it became a Legend.
Add TI(Reversed IT) to the front(So that the intial word remains at the back) (Observed by tmpearce) and (As M Oehm says),we get TITAN
I look after it and it goes on a Voyage.
Oehm astutely observes here that I look= I see=IC. Adding that to the end, we get TITANIC which got wrecked on its first voyage.(I suppose, I don't have to provide any links for this? ;) )
Now for the title,
TITANIC is wrecked and is right now, silently in the Ocean.(Salt=Sea-water)
And thus, our hardwork comes to an end with the final answer of: