Check out the Short-term and Vacation Rentals forum.

Maybe ask them to vacate ASAP in lieu of eviction but if they don't, you need to start the process.

Quote from @Ryan DeRobertis: Quote from @Marc Rice: Quote from @Ryan DeRobertis: I am considering my first rental/vacation property and would like it to be in Puerto Rico for a few reasons:--1. 

I'm actually heading up there for a little impromptu vacation this weekend!

I can't leverage my remaining VA loan entitlement to fund this because it is a 'secondary/vacation' home.

Don't forget to annually mark time for vacation or family time.You might consider hiring a teenager part time if there's something that is time consuming (for me, putting out 20 open house signs then picking them up).Best to you!

In the six years I've owned, operated and sold vacation rentals on the Oregon Coast the investment landscape has evolved considerably. 

Also keep in mind that many of these vacation locations have began changing enforcement and regulations for STRs so make sure to research a lot about pending legal actions and public sentiment of STRs in any market you want to enter and formulate several exit strategies to protect yourself in case there is a shift in the market there.

Selling vacant is easier, but if you can't/don't want to vacate the property investors will still look at tenant occupied homes 

Vacation RentalsCities with strong tourism industries, such as Berlin, Munich, and Hamburg, offer opportunities in the short-term rental market.