# maximumDepth The maximum depth supported by the water submersion manager. ``` var maximumDepth: Measurement? { get } ``` ## Discussion To access data for dives with a maximum depth of 6 m, add the Shallow Depth and Pressure capability to your app. For more information, see . To enable a maximum depth of 40 m, you must apply for the full Submerged Depth and Pressure entitlement. For more information, see [Express interest in the Submerged Depth and Pressure API](https://developer.apple.com/contact/request/submerged-depth-pressure-api/). --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)