The following underwater shipwrecks can be found at the indicated location after Sequence 6-1 is completed.

Shipwreck #1: San Ignacio (coordinates 378, 769)
Shipwreck #2: Petite Caverne (coordinates 901, 264)
Shipwreck #3: Jiguey (coordinates 564, 539)
Shipwreck #4: Atocha (coordinates 632, 661)
Shipwreck #5: Black Trench (coordinates 221, 449)
Shipwreck #6: San Juan (coordinates 480, 486)
Shipwreck #7: Devil's Eyes Cave (coordinates 487, 356)
Shipwreck #8: Anotto Bay (coordinates 622, 276)
Shipwreck #9: Ambergris Key (coordinates 55, 177)
Shipwreck #10: The Blue Hole (coordinates 470, 170)
Shipwreck #11: Kabah Ruins (coordinates 768, 144)
Shipwreck #12: La Concepcion Shipwreck (coordinates 180, 296)
Shipwreck #13: Antocha (coordinates 629, 661)