Hi
We are two ( 1Swedish and 1French passeport ) we crossed border three times :
-By sail yatch check in koh lipe 5 December 2019 to 14 December 2019
-by s.y 22 dec 2019 check in Phuket, extended visa for 30 more days .
-went to Myanmar with s.y on 6 February comeback to Thailand 25 February and get new visa on arrival .
And here comes the question . We would like to do our dive master in Koh Tao , so we ll need at least 60 days plus 30 .
How this can be done .... thank a lot
TLDR : Answer Summary
The user is seeking advice on how to extend their stay in Thailand for at least 60 days, plus an additional 30 days, to complete their dive master training in Koh Tao. They have previously crossed the border multiple times and have used visas on arrival.