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Castro's Secret Reef

7.5201650mMovieDocumentaryTV Movie

Cuba's enforced isolation has resulted in the unlikeliest of marine reserves: a huge, rambling archipelago known as Jardines de la Reina, or "Gardens of the Queen." Stretching around 140 miles along the southern coast of Cuba, it's one of…

WriterJohn Boyle
ProducersChris Fletcher·John Boyle

Where to watch

Smithsonian Channel Amazon ChannelSmithsonian Channel Amazon Channel
Availability shown for Canada · rights vary by country

Cast

DB
David Birch
Narrator

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Castro's Secret Reef — streaming FAQ

Which OTT platform streams Castro's Secret Reef?

Castro's Secret Reef is streaming on Smithsonian Channel in Canada. It's not currently on Netflix.

Is Castro's Secret Reef on Netflix?

No, Castro's Secret Reef is not on Netflix in Canada as of September 2026. It's currently on Smithsonian Channel.

Is Castro's Secret Reef on Amazon Prime Video?

No, Castro's Secret Reef isn't on Amazon Prime Video in Canada right now. It's on Smithsonian Channel instead.

Where can I watch Castro's Secret Reef for free?

Castro's Secret Reef is available on Smithsonian Channel in Canada, but you'll need an active subscription — there's no free option right now.