Amazon S3 (Simple Storage Service) is the correct choice because:
- Object Storage: S3 is designed specifically for object storage and provides URL-based access to objects
- URL Access: S3 objects can be accessed via pre-signed URLs or public URLs (if the bucket policy allows)
- Web Integration: S3 integrates well with web applications and can serve static content directly
- Other options comparison:
- Amazon Glacier: Designed for archival storage with retrieval times of minutes to hours, not suitable for immediate URL downloads
- Amazon Storage Gateway: Hybrid storage service that connects on-premises environments to AWS cloud storage, not primarily for URL-based object access
- Amazon EBS: Block storage service for EC2 instances, not designed for object storage or URL-based access
S3 is the ideal solution for storing objects that need to be accessible via URLs, making it perfect for web content, file sharing, and application data storage.