I'm not sure if that's any better or worse from the perspective of tenants, visitors, or you as the owner.  

I know the mobile home next door to me was recently purchased by one of the residents here in the park, and she is going to be renting it to winter visitors, so I'm assuming it's legal, but I don't know that for sure.

Also, the properties are near a military base so the visitors don't expect lavish amenities, just the basics.

People who still buy in Tulum today are hoping that Tulum will become another Playa del Carmen but that is very unlikely to happen for several reasons, the main ones being:1) Unlike in Playa del Carmen, it's impossible to buy a property close to the beach and certainly not at a decent price;2) Given Tulum's current and upcoming urban planning, it'll never have anything close to the 5th Avenue that made Playa del Carmen world famous;3) There is hardly any land still available for development in the area where visitors want to be in Playa del Carmen.

I can't really think of a better term that describes a D/F area where residents or visitors face significantly higher risk of violent crime.

Plus, for years CA residents and visitors have complained about it being overcrowded, so I wouldn't take this as a sign of doom, more relief from too many people congesting the cities. 

The female patients and visitors ALL had better nails than this hard working nurse and they all had had more expensive cell phones.Knowing I was taking care of them, while paying for their manicures (and health care) with my taxes, really contributed to my burn out.   

We had to cancel the trip because the governor shut all the hotels to out of state visitors.

Broken down vehicles, shady visitors, animals appearing, notices from city code enforcement, smoking. partying, domestic disturbances, on and on.Without appreciation, I would have netted nothing really for my 10 yrs of pain and suffering. 

The unfortunate inconvenience is that since the bottom doorbell is lit up, visitors or delivery people for the 1st floor unit assume that is their doorbell (when it's actually mine).