Hello how may I help you? please tell me what the biggest snake ever was Do you mean the biggest individual snake or the type of the biggest snake? Let's go with the biggest type of snake The biggest type of snake is the Anaconda Alright, how big can anacondas get? Anacondas can grow to 200 feet or more Whoa that's massive! What do those things eat? They eat lots of little animals. Interesting. Thanks for this info Thank you for asking.