MongoDB Atlas Data Lake is now Generally Available, offering a serverless, scalable query service that allows native querying and analysis of data across AWS S3 and MongoDB Atlas in-place. The platform was released in public beta at MongoDB World 2019 and has been improved with new features, including Federated Queries, $out to S3, and SQL support through a JDBC driver. It provides a flexible document model, query language, and tools for Data Lakes, allowing users to work with data faster without schema definition or infrastructure setup. Atlas Data Lake is available as part of the MongoDB Cloud Platform, utilizing familiar drivers and tools while providing an interactive demo walkthrough and documentation for more information.