Østersøen could be added ...

https://da.wikipedia.org/wiki/%C3%98sters%C3%B8en

Enligt HelaGotland finns en grillplats här

https://helagotland.se/artikel/jnx4y54r

"Grillplats vid Strandpromenaden"

Wikidata https://www.wikidata.org/wiki/Q129654840

Parkeringen här saknas.

via StreetComplete 58.0

Attached photo(s):
https://westnordost.de/p/221931.jpg

Unable to answer "How many car lanes does this road have?" for osm.org/way/528252652 via StreetComplete 53.2:

Slitna vägmarkeringar, eller inga alls?

Borgvik

Smal path between roads up to bench

via StreetComplete 56.1

Attached photo(s):
https://westnordost.de/p/198134.jpg
https://westnordost.de/p/198135.jpg
https://westnordost.de/p/198136.jpg
https://westnordost.de/p/198137.jpg
https://westnordost.de/p/198138.jpg

Bench and path leading up

via StreetComplete 56.1

Attached photo(s):
https://westnordost.de/p/198140.jpg
https://westnordost.de/p/198141.jpg

4 is between houses

via StreetComplete 56.1

Attached photo(s):
https://westnordost.de/p/199698.jpg
https://westnordost.de/p/199699.jpg

Skall finnas en grillplats här enl. https://gotlandjustnu.se/nyheter/gotland/artikel/se-kartan-hitta-till-grillplatser-pa-gotland/jnx4y54r

Unable to answer "Is this a one-way street? In which direction?" – Fiskargränd (Residential Road) – osm.org/way/77461812 via StreetComplete 58.0:

You can't drive cars here, but you could bike and maybe drive a motorcycle, but it's practically just for pedestrians

Attached photo(s):
https://westnordost.de/p/218950.jpg