Don’t have any real experience with the marina’s in Antwerp but live in the city.
Most of the Antwerp sailors have their boats in the south of Holland
as there is lot more room for sailing.
But for spending the winter Antwerp sounds great.
I don’t know how many live aboard there are/will be in either of them but there are 2 marina’s in Antwerp :
one downtown (on the right bank) in a new and improved neighborhood called ‘het eilandje’, next to some musea, great places to eat and not far from the city center (maybe 20 min on foot). (Onze haven
The other is located on the left bank which is more quiet, has a nice view on the city center and is connected to the right bank via a pedestrian tunnel (real beauty built in the 1930 so definitely a must see in the city). (jachthaven Antwerpen
Downside of this marina is that it’s only accessible during high water
, then again due to the strong current
on the Schelde river you would choose to arrive or depart at high water
For getting round the city you can use these convenient city bikes : https://www.velo-antwerpen.be/en
Feel free to send a me message if you want more info on what to do in Antwerp, or let me know when you are there and I’m happy to show you a couple of my favorite spots in town.