diff --git a/README.md b/README.md
index 40d6652..3a9869a 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,12 @@ CloudWatch alarms publish to the shared `site-alerts` SNS topic (`arn:aws:sns:us
 | `front-integrations/slack-bot-token` | Slack Bot User OAuth Token for SLA alerts |
 | `front-integrations/google-service-account` | Google Cloud service account JSON key |
 
+## Documentation
+
+The canonical map of Sea Haven's AWS infrastructure lives in Confluence. This project's `front-integrations` stack is represented there as a Mermaid subgraph.
+
+- **[AWS Architecture Map](https://seahaven.atlassian.net/wiki/spaces/IT/pages/1540098)** (Confluence, IT space, page 1540098)
+
 ## Setup
 
 ### 1. Create the Slack App