tengan una Luna de miel divertida
They went to a hotel and drank and had fun.
It will be fun - será diversión
Te has disfrutado = Did you have fun
I have fun with you: Me divierto contigo.
"Join the fun, learn spanish" would be: ' Únete a la diversión, aprende español'
What fun! or How fun!
St. Lucia is a good place to honeymoon at this time of the year. The reason why it would be a good place is because it is warm out there and there are many beaches that you can enjoy having fun.
diversión
diversión
Divertirse
If Mexican is just Spanish then have fun! is : ¡diviértase!
Divertirse = to have fun. Me estoy divirtiendo = I'm having fun.