First all great idea for a game, brilliant love it.
I think starting out to just do a the cabin first is the way forward if your going to create a game like the titanic its going to take you a while as an indie gamer proberly atleast 2 years if you worked on it solid every day.
What your asking for really here is somone to create it for you by the way things are written which like the above person said I'll be amazed if anyone will do it for you for free.
My AdviceFor what its worth, I would go through the efforts of learning 3dgs yourself and do 99% of things yourself the project will be far more rewarding.
Best places to start are the books Getting started with conitec's 3d gamestudio and the official guide to 3d gamestudio. also lookthrough the workshops with can be found on this site and read / look at 20% of the aums thats where I started and so far I have learned a great deal.
that the majority is not able to make your game and the fist full people which are able to help, are professionals with no time for "doing some stuff for nothing".
I'm not calling myself a professional but I agree and disagree with that comment. all of us are willing to help just look at the public help thats available for free on this forum already.
the main thing with 3dgs and what ive noticed is: You've gotta help yourself before others can help you. try learning it and creating things yourself first, show us the things your stuck on and we will try to help you.
Nobody (with half a brain) will sit down and code an entire game for you. reason being: We all need to be able to afford to eat. (which is why you wont find free stuff with top quality done.)
Nomis out.