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Maritime (Specialties, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Maritime (Specialties, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 3 reviews, average rating 4.6 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $35.97 |
|---|---|
| Average rating | 4.6 |
| New releases (90 days) | 4% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Its median reviews are 7% of the parent category Specialties (42), one of the easier corners under it.
- Its review barrier is lower than in 92% of Kindle eBooks categories: the median best seller has only 3 reviews, so new books can chart with few.
- Only 4% of its best sellers are under 90 days old, fewer than in 82% of Kindle eBooks categories: established titles hold the list.
Top 10 Maritime best sellers
-
The Republic Afloat: Law, Honor, and Citizenship in Maritime America (American Beginnings, 1500-1900)
by Matthew Taylor Raffety
- List rank#1
- Price$2.99
- Rating4.5
- Reviews2
-
Soviet Attack Submarines: Cold War Operations and Accidents
by Mark H. Glissmeyer
- List rank#2
- Price$0.99
- Rating3.9
- Reviews70
-
DERECHO MARÍTIMO: : Una Visión General de un Derecho Universal (LOS PROCESOS JUDICIALES EN VENEZUELA nº 4) (Spanish Edition)
by Tulio Álvarez
- List rank#3
- Price$5
- Rating5.0
- Reviews2
-
Navigation Rules And Regulations Handbook (Color Print): Containing - International & Inland Rules
by Department of Homeland Security
- List rank#4
- Price$2.99
- Rating4.8
- Reviews284
-
Maritime Academy Graduate: Memoir Of A Third Mate
by Mark H. Glissmeyer
- List rank#5
- Price$0.99
- Rating3.8
- Reviews458
-
Navigation Rules and Regulations Handbook 2026
by United States Coast Guard
- List rank#6
- Price$2.89
- Rating4.3
- Reviews15
-
MV Hughes Glomar Explorer: The Top Secret Mission
by Mark H. Glissmeyer
- List rank#7
- Price$0.99
- Rating4.1
- Reviews223
-
Wreck: A Joe Barrett Series III
by Vince DeOrchis
- List rank#8
- Price$3.99
- Rating5.0
- Reviews11
-
The Pilot Fish: A Joe Barrett Series II
by Vince DeOrchis
- List rank#9
- Price$3.99
- Rating5.0
- Reviews15
-
American Merchant Seaman's Manual
by Matthew Bonvento
- List rank#10
- Price$2.99
- Reviews-
Same niche in Books: Maritime
FAQ
Is Maritime a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 3 reviews and sells for $9.99.
How many reviews do you need to rank in Maritime?
The median best seller has 3 reviews, and 93% of them have fewer than 100.
What do Maritime best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.99 and $35.97.
Can new books break into Maritime?
4% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.