Most everything looks ok, but a few suggestions:
This girl is IN the door. Let me suggest moving the counter down and letting her stand one tile down? It may look a little less awkward.
Also, are these shops buildings WITHIN a building? You may reconsider. Either make where they are an outside area or turn them into stalls instead of buildings.
Harbor:
Lots of doors. None of them go anywhere. You may consider having them lead to the interior of that place or not be doors. Plus you have crates in the water. I'm not sure if you intended that. Also, a personal thing. You can walk right to the edge of the map and not teleport anywhere. I prefer to not be able to touch the edge of a map unless it's going to take me somewhere.
World Map:
Again, you can sail right to edge and then you're cut off. Either make it loop or use something to block me from getting there. Otherwise it feels like I'm on a flat world that just stops.
Tomb:
It felt very empty for a tomb. No bones lying around or coffins or anything. I also felt like it was a big maze, instead of a planned out tomb for someone important.