Connecting to VNC servers really is as simple as ensuring the desktop or finder has focus, then clicking Go > Connect to server, or Apple Key + K. Once the connect to server box pops up type VNC:// and the IP Address or Device name you’d like to connect to in the server address field and click connect.
Upon clicking connect, you will be prompted for the servers password. Once connected you’ll be presented with the remote machines desktop. This is something I use almost daily in my role, and find it extremely useful.
If you prefer a third party client, one you’ll always find in my applications folder is Chicken of the VNC
Let me know if you know of alternative methods for remote connections in the comments below