These two roads are connected. It is the access to an overnight camping car parking, with fees.

via StreetComplete 63.0

Attached photo(s):
https://streetcomplete.app/p/343318.jpg

GPS Trace: @leaea/traces/12339273

There is a fence now here. It lloks like this "O"-part of the street initially belonged to the camping site but then was separated to make a separate camping car parking.

via StreetComplete 63.0

Attached photo(s):
https://streetcomplete.app/p/343319.jpg

GPS Trace: @leaea/traces/12339287

In this building there is a/one public (free-of-charge) toilet, accessible for wheel chairs and with a baby thing inside. Self-cleaning. Door is at the backside of the building.

via StreetComplete 63.0

Attached photo(s):
https://streetcomplete.app/p/343315.jpg
https://streetcomplete.app/p/343316.jpg

Hier ist eine öffentliche Toilette, auf der Rückseite, kostenlos. Für Rollstuhlfahrer.

via StreetComplete 63.0

Attached photo(s):
https://streetcomplete.app/p/343313.jpg
https://streetcomplete.app/p/343314.jpg

Unable to answer "What’s the surface here?" – Path – way/368341706 via StreetComplete 63.0:

This seems to be behibd a fenced off area now.

Attached photo(s):
https://streetcomplete.app/p/343322.jpg

This part is paved now, where recorded. Rest is beach. The second path here seems to have vanished behind a fence.

via StreetComplete 63.0

GPS Trace: @leaea/traces/12339307

Direction of one-way is wrong. It is allowed to go from round-about to northeast.

via StreetComplete 20.2