Unable to answer "What type of bollard is this?" – Bollard – https://osm.org/node/4910749477 via StreetComplete 58.2:

There's no blocking for cars, instead there are 9 parking places at the road side (left side if face to the sea like on picture). Psrking seams to be free but prohibited during market times - See second picture

Attached photo(s):
https://westnordost.de/p/239914.jpg
https://westnordost.de/p/239915.jpg