Lighten ship; people need to get off so that you don't damage the hull further. What did you run aground on, rocks or sand and dirt? If rocks, check immediately for leaks; you don't want to get back out into deep water and THEN sink. If it's a small boat, do you have a diving mask? Can you check the outside of the bottom of the boat and see if there's any damage?
In any event, you probably want to get back to port or the dock and do more thorough inspections there.
If your boat runs aground, check to see if anyone's hurt, and render assistance as necessary.
If your inboard outboard boat runs aground what action should you take?
You are lucky.
Make sure no one is injured and then checks for no leaks.
If your boat runs aground, check the safety of passengers, then check for leaks.
Turn the ignition off and hang on tight.
Try to shove off with a paddle or boathook.
Try to shove off with a paddle or boathook.
Try to shove off with a paddle or boathook.
Try to shove off with a paddle or boathook.
Try to shove off with a paddle or boathook.
If you're boat runs aground, at high speed, you injure yourself and all you passengers, so you should check to make sure that all of your passengers are okay. The next thing you should do is check for damage.