a few things to consider:

Floating dock
In most cases easier to install
Ability to fluctuate with water levels.
Can easily add more or less sections.
Move-able once installed.
In many cases costs less.

Fixed Dock:
Stability...I really like stability.
Personally I think they tend to look better.
Construction after lake exists more problematic/costly.

I have gone back and forth, but pretty much decided
to have a fixed dock built this summer...
since I have a pretty constant water table.


Fishing has never been about the fish....