Translation of calmar

I came on time and two hours later I arrived at Tuxla Gutieres. I was always suspicious here and I never knew whom to trust. Somehow I got to the airport a few hours too early but this is better.
The letter and the date are fine. Let me know how many people are interested. I cannot promise that it will work. The size however is OK. It is worth a trial, maybe even the ones with Spanish words.
We had to be careful of not falling into the water. We rowed for about an hour and we got tired pretty easily. Especially the other man and woman looked devastated, at the limit of their physical capabilities.