Oceans would be good for those few people who may want to have them.
Again you have to be realistic. Reloaded has a world size and limited for a reason as well as there being many other considerations. An ocean is a big place.
Realistic representation of an Ocean in all its facets would probably require very advanced systems which I am not sure would be very realistic in considering.
Deeper water possibility may be a realistic option I don't know you would have to ask Lee.
At the moment it would be good to get dry land sorted.