Books like The Coral Island
R. M. Ballantyne, Ralph Crane, George Dalziel, Edward Dalziel
The Coral Island is 255 pages, about 4 hours 41 minutes at 250 words a minute.
12 books to read next
How long each takes
Kensuke's Kingdom 3.0 h 
The Cay 2.6 h 
The Swiss Family Robinson 6.3 h 
Adventures of Huckleberry Finn 6.4 h 
Terror on the Titanic 2.2 h 
Shipwreck 2.4 h 
Darkness Falls 5.9 h 
Minecraft 5.3 h 
Watership Down 8.8 h 
Storm Thief 5.9 h 
Titanic 1.3 h 
Revenge of the Whale 3.0 h Bar height shows length. Estimated at 250 words a minute.