As of the 1.4.0 Update you can now back up your island via Cloud Saves. Here’s how to make sure you never lose your Animal Crossing: New Horizons Island.
Island Backups require a subscription to Nintendo Online.
How to Back Up Your Island
- Select the game and the title screen will pop up.
- Select the (-) button to access Settings.
- Select Island Back Up.
- Enable Island Backup.