If your Droplet has an extremely active database its worth exporting the data into a static file just before taking a snapshot, this was you guarantee your data is safely backed up and restorable without corruption. For this guide, we are going to base it on using MySQL but this is possible for any database where you can export into a static file.
DigitalOcean announced spaces Septemeber 2017 and they are now generally available to all developers. Spaces is a simple standalone object storage service which enabled developers to store and serve any data with automatic scaling. You can try out spaces, with a free 2-month trial.