The Books Insiderindependent audiobook data
Secrets of the Deep by Marisa Noelle

Secrets of the Deep: Audiobook

Book 1 of the Mermaid Chronicles series

According to The Books Insider's catalog data, the Secrets of the Deep audiobook runs 9.3 hours unabridged, narrated by Jacci Prior (about 6.2 hours at 1.5× playback speed).

9.3listening hrs
Sci-Fi, Fantasy & Paranormalstore shelf
2025released
Free for new listeners

The instrument When will you finish it?

Based on 9.3 hours of listening.

Days to finish Secrets of the Deep at common listening paces
Your paceYou'll finish in
30 min / day19 days
1 hour / day10 days
2 hours / day5 days
1 hour / day at 1.5×7 days

Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.

What our data says

  • At 9.3 hours, it is shorter than 53% of the 5,647 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog.

Catching up on Mermaid Chronicles

This is book 1. Books 1 to 6 run 58.4 hours in all.

BookTitleLength
1Secrets of the Deep9.3 hrs
2Quest for Atlantis10.7 hrs
3Fight for Freedom9.2 hrs
4Ghost Pirates9.3 hrs
5Vendetta9.8 hrs
6Denizens of Darkness10.1 hrs

About as long, on the Sci-Fi, Fantasy & Paranormal shelf

1,163 Sci-Fi, Fantasy & Paranormal audiobooks in our catalog run within 10% of this length. The most popular on the store:

Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.

About this listen

Secrets of the Deep is book 1 of Marisa Noelle's Mermaid Chronicles series: a 9.3-hour unabridged recording, read by Jacci Prior, released April 22, 2025, on the Romance (Teen & YA) and Fairy Tales & Folklore (Teen & YA) shelves.

The listen at a glance

Length
9.3 hrs
Narrated by
Jacci Prior
Released
April 22, 2025
Format
Unabridged audiobook
Language
English
Store shelves
Romance (Teen & YA), Fairy Tales & Folklore (Teen & YA), Sci-Fi, Fantasy & Paranormal
Series
Mermaid Chronicles #1
ISBN
9798331929602

How to listen to Secrets of the Deep free

New members at audiobooks.com get three free audiobooks with the trial.

Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.

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Questions listeners ask

How long is the Secrets of the Deep audiobook?

Secrets of the Deep runs 9.3 hours unabridged. At 1.5× speed that drops to roughly 6.2 hours.

Is the Secrets of the Deep audiobook free?

Yes, for new listeners: the trial starts you with three free audiobooks.

Who narrates Secrets of the Deep?

Secrets of the Deep is narrated by Jacci Prior.