Treasure Quest: Snake Island (2015) is a Documentary series that follows hidden somewhere off the southeastern coast of Brazil could lie hundreds of millions of dollars-worth of lost Incan gold. One team of treasure hunters has a new theory on where the treasure lies - a remote spot home to 1,000s of deadly vipers. Currently, you can watch Treasure Quest: Snake Island on Discovery+ Amazon Channel, YouTube TV, Philo, Discovery +. Streaming availability may vary by country and platform over time. It has a user rating of 6.3 out of 10 from 11 votes. Fans of documentary series may also want to explore similar titles below.