I was shocked when I got mine yesterday because I didn't want a cluttered island. During the evaluation she will tell you what the island needs. Not sure what she is telling you. For me I have lots of flowers, decent amount of trees but not so many there isn't an open feel, nine villagers. First when she said things it was more fencing needed so I added it by villagers house creating yards, put it behind the buildings such as nooks, ables and so on, that way bugs don't spawn where I can't see them, next she said it needed something about stuff that could be bought, added store bought items until she said scenery was good and lastly she said I needed more handcrafted stuff. I put nice areas on the beaches, campsite, yards of animals and benches behind buildings again to make it easier to see bugs and dig spots.
Edit forgot I also have 5 inclines and 7 bridges