I dont think Seacat goes to MVD.
And you must explain the difference between slow BQB and the fast one.
My vote goes first to the slow Buquebus, 3 hours to Colonia. And then the Seacat tied with fast BQB (they are practically the same).
The slow BQB is the only one where you can go outside, if you re a smoker, it has a bar with drinks, tango shows, lots of space.
In prices go
1. Slow BQB
2. Colonia Express.
3. Seacat.
4. Fast BQB
5. Fast BQB to MVD
Colonia express arrives to a scary part of the port here in BsAs if you arrive at night.