The Saltwater Room by Owl City is in C at 110 beats per minute and runs 3:43 across 72 bars. It uses 9 chords — Fmaj9, C, Cmaj9, Am9, F, G, Fmaj7, Am7, and a few more. The chord diagram changes as the song plays and the words light up as they are sung, so you can strum and sing along without reading ahead.
Want the melody line note by note? The Saltwater Room guitar melody tab.