Books like Demons of the Ocean
Justin Somper
Demons of the Ocean is 330 pages, about 6 hours 3 minutes at 250 words a minute.
12 books to read next
How long each takes
Dangerous Girls 5.6 h 
Peter Pan 1.8 h 
The Queen of Nothing 6.0 h 
The Awakening 4.8 h 
Daughter of the Siren Queen 6.7 h 
Marked 5.9 h 
The Struggle 4.4 h 
The Invaders 8.2 h 
The Hunters 7.9 h 
Pirates of the Caribbean 2.5 h 
The Unwanteds (The Unwanteds #1) 7.2 h 
Many Waters 5.7 h Bar height shows length. Estimated at 250 words a minute.