Amazon Simple Storage Service (S3) is AWS’s popular object storage solution for structured and unstructured data. It is an optimal storage service for building a data lake. By building your data lake on Amazon S3, you can leverage AWS-native services for various use cases. These include AI and machine learning (ML), big data analytics, high-performance computing (HPC) workloads, and data processing apps that provide useful insights from large amounts of unstructured data.