Gill Harbor (Q49377986)

• matcher place: Lake Ontario (relation 1206310)
• view on Wikidata
• Overpass query: show query – Overpass Turbo

  [timeout:300][out:json];
  (
      node(around:1000,43.90806,-76.39028)[natural=bay][name];
      way(around:1000,43.90806,-76.39028)[natural=bay][name];
      rel(around:1000,43.90806,-76.39028)[natural=bay][name];
      node(around:1000,43.90806,-76.39028)[natural=water][name];
      way(around:1000,43.90806,-76.39028)[natural=water][name];
      rel(around:1000,43.90806,-76.39028)[natural=water][name];
  );
  out center tags;

matches

login to upload wikidata tags

found a single match candidate

Search criteria from Wikidata

view with query.wikidata.org

body of water (Q15324)	natural=water
bay (Q39594)	natural=bay