Here's how to play the chords on guitar for Margaritaville by Jimmy Buffet, a very beginner friendly song!
The chords you need for this tutorial are D major, G major, A major.
These are taught at level 3 of my beginners course, where you'll also find loads more songs with these same chords!
Margaritaville - Guitar lesson tutorial
Need the chords on the screen as you play? Here's a video that shows you the letters of the chords along with the original recording.
The chord diagrams are for the Ukulele, but that's OK - just use this as a prompt and look at the letters and the lyrics to help you get through the song :)