Tyler
Tony is right we ran our chain, all 275' in the Vbirth last summer and quickly realized it had to be relocated and that was under the shower pan.
To do this I installed a flange'ed coupling and a small run of 4"" PVC pipe (or 3" I can recall) down to the "V" in the hull. This sort of guides the chain and keeps the other 300' line rode separate.
Then its a matter of allowing the chain to follow the PVC run. And true sometimes you have to open the hatch to pull some chain through but with a little practice it works out.
In tight anchorages with swift currents or emergency's, just pull the chain in like normal where later you can arrange it under the shower pan with a few nudges.