Intro:  G  C  G  D/F# (2x) 
Verse:
 
G          C     G    D/F#  
 I believe submarines 
G           C         G     D/F# 
 Underneath deep blue seas 
G        C      G         D/F#   
 Saw the flags: Japanese 
G            C       G   D/F#  
 No one will believe me 
Bridge:
 
Em7              Dsus4          G9                  D/F# 
 Ran back to the town bar and I told the people how 
Em7            Dsus4      C  Cdim5     C     Fmaj7   G9 
I had seen the submarine and Everyone laughed aloud  
Break: G9 Cadd9 G9 D/F# (2x) 
Verse:
 
G9        Cadd9   G9    D/F# 
I did spy perisc-opes 
G9                    Cadd9   G9    D/F#      
 Dead of night on the eastern coast 
G9          Cadd9     G9    D/F# 
 The police made them jokes 
G9       Cadd9     G9    D/F# 
 Told me I'd seen a ghost 
Bridge: 
Em7                  Dsus4   G9                     D/F#     
https://www.coveralia.com/acordes/submarines-the-lumineers.php
 Everyone thinks I'm a liar  No one knows the truth 
Em7               Dsus4 C    Cdim5  C  Fmaj7   G9 
If it was a bigger fire I would be on the roof 
Break: G9 Cadd9 Em7 D/F# (2x)    
Verse:
 
G9                  Cadd9   Em7  D/F#     
 Ships will rust in Baldwin Bay (Let me go!) 
G9             Cadd9  Em7   D/F# 
 No one trusts what I say (I don't know!) 
G9         Cadd9   Em7           D/F#  
 Oh my God, no one paid  (Attention!) 
G9         Cadd9          Em7   D/F#    
 Overnight my hair turned gray  (Oh oh oh!) 
Bridge:
 
Em7          Dsus4           G           D/F# 
 In the end it boils down to credibility 
Em7                    Dsus4 C       Cdim5   C  Fmaj7  G 
 I had none, so I will die   with the secrets of the sea 
Ending:
 
G   C  Em7  D/F# 
           Submarine! 
G9 Cadd9 G9 Em7 D/F# 
                Japanese! 
G9 Cadd9 G9 D/F# 
            Submarine! 
G9 Cadd9 G9 D/F#