Unable to answer "Hat diese Treppe eine Rampe? Was für eine?" – Rue Bracqueval (Treppe) – way/49191944 via StreetComplete 63.2:

No stairs, just bumpy path

Unable to answer "Wo kann man hier sitzen?" – Balaclava (Restaurant) – node/10980541158 via StreetComplete 63.2:

Clothings, no restaurant

Unable to answer "Was für ein Gebäude ist das?" – Jübergturm (Gebäude) – way/1491634281 via StreetComplete 63.4:

Aussichtsturm (in det App nicht möglich)

Bar / café, seating outside only

via StreetComplete 63.4

Bike rental

via StreetComplete 63.4

Wake boarding

via StreetComplete 63.4

Rental: boats, SUPs, peddal boats, ...
https://www.gamachespleinair.com/

via StreetComplete 63.4

Large parking lot, gravel stones, public, for free

via StreetComplete 63.4

Toilette is with costs, not for free (anymore)

via StreetComplete 63.2

The two "seaside benches" are picknick tables + benches. And there is a bin in between.

via StreetComplete 63.2