Where was Sharkwater filmed?
2006 Canadian documentary film directed by Rob Stewart
Sharkwater (2006) was filmed in Galapagos Islands and Coco Island, 2 places named in its Spanish Wikipedia’s article, in Ecuador, Costa Rica. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Spanish Wikipedia's article
Spanish Wikipedia’s article names 2 places. Each links to the sentence that says so.
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Set in the same places
The Mysterious Cities of GoldFantasy anime1982TVmaze