These answers are provided by our Community. If you find them useful, show some love by clicking the heart. If you run into issues leave a comment, or add your own answer to help others.
Most probably you denied access to port 22. What I would recommend is to allow connections to port 22 only for your IP address rather than the whole world.
To do so, use the DigitalOcean WebConsole and type in the following command once you are inside:
From GPU-powered inference and Kubernetes to managed databases and storage, get everything you need to build, scale, and deploy intelligent applications.