I LOVE that idea!!
Reminds me of my latin teacher. She and her husband were at a hotel in… i dont know.
There were 4 other rooms, and they could talk on their balcony to each other - what they did every evening.
My teacher were germans (german) one were i think from netherlends, the other two i don´t know (again two different countries).
the only language everyone spoke was… latin. Therefore they had every evening long talks in latin. 
Hey, Kaivax, what do you think?
I like that idea. 
(But i would stick with Celebras, too… 
)
Edit: Fun fact: If I remember correctly, she told us this story, because everyone said “Latin” is a “dead language” “no one talks and needs today” and her conclusion was:
You see, it is NOT dead, everyone should speak Latin.
It would fit… somehow 