Yes, and our experience was good. Strong signal all the way to Spinaker restaurant.
We found WiFi really good in the hotel, bar and pool areas. Pretty good in Cavtat on the whole.
Yes WiFi everywhere and there is an internet room behind reception which is totally free.
Yes and it's good
Yes, in the rooms and lobby area
Yes WiFi is good even around the pool area.
Get an answer from Hotel Croatia Cavtat staff and past guests.