Hello,
I suggest this nice brazillian map : Litoranea
Is an pretty cool, coastal brazil map, with lot of lines.
No DLC are Required.
For me, is the best brazil map
VIdéo of the map
https://www.youtube.com/watch?v=3hzUSSBZSDE
https://www.youtube.com/watch?v=e1o5RUgDkoY
https://www.lukasgameplays.com.br/2018/12/27/mapa-litoranea-omsi-2