It's fantastic here! F. is magic! (It's) A picturesque seaside town (and an.../-an) ideal place for a summer holiday. The weather is just amazing: 45 degrees...
I'm staying at Hotel Remer, one of the best...
Sunbathing, swimming, sightseeing, discoing, and just doing nothing is what I am taking up...(keep them as parallel as you can)
...
But I am coming back on.../will be back on...(Don't arrive.)
Take notice. You are mis- and over n-dashing.