Assassin's Creed Odyssey

Assassin's Creed Odyssey

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Child of Poseidon - All Underwater Locations
By Charlemagne
Assassin’s Creed Odyssey has 42 Underwater Locations for the Child of Poseidon Trophy and Achievement. You must complete all of the underwater locations by finding the sunken treasures in them. Use your eagle to mark the underwater treasures. Be sure to clear out the location so it shows a checkmark on the map or else it won’t count.

Below is a map with all underwater locations on it as well as zoomed-in images for greater detail. It doesn’t matter in what order you do them, they are accessible as soon as you unlock the ship in Sequence 2 of the story. You can click on the images to view the full resolution version.

Credits to Powerpyx.com
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Underwater Locations Map
Underwater Locations 1-5
1 - Ktesipo’s Shipwreck


2 - Islet of Zeus


3 - Poseidon’s Fury


4 - Sunken Temple of Demeter


5 - Ketos Shipwreck

Underwater Locations 6-10
6 - Alekto Shipwreck


7 - Ruins of Arne


8 - Persian Remains


9 - Purrhos the Red


10 - Underwater Cavern

Underwater Locations 11-15
11 - Sunken Temple of Aphrodite


12 - Smuggler’s Shipwreck


13 - Stormfall Bay


14 - Shark Bay


15 - Prototype Trireme of Ameinokles

Underwater Locations 16-20
16 - Aruabignes Shipwreck


17 - Phoibean Lagoon


18 - Phaleron Sunken Harbor


19 - Vouliagmeni Sinkhole


20 - Underwater Cavern

Underwater Locations 21-25
21 - Submerged Minoan Palace


22 - Aigisthos Palace


23 - Shipwreck


24 - Nereides Monument


25 - Olympic Shipwreck

Underwater Locations 26-30
26 - Underwater Ruins of Dyspontion


27 - Shipwreck of Nestor


28 - Dorion Underwater Cave


29 - Pavlopetri


30 - Sunken Wreck of Datis

Underwater Locations 31-35
31 - Ruins of Seas People


32 - Shipwreck of Ajax


33 - Palace of Amphitrite


34 - Anaphi Shipwreck


35 - Sunken Temple of Eileithyia
Underwater Locations 36-40
36 - Cave of Wealth


37 - Sunken Ruins


38 - Shipwreck Cove


39 - Hermit’s Dive


40 - Polydektes Lagoon

Underwater Locations 41-42
41 - Wreckage of the Lost Bandit


42 - Shipwreck of Dionysos and the Pirate


That’s all the Underwater Locations in Assassin’s Creed Odyssey! This unlocks the Child of Poseidon achievement for your efforts.
21 Comments
The_Mighty_Kinkle 6 Nov, 2024 @ 11:26am 
Thanks. I missed 7 and 26 because they were inland
Numii04 24 Jun, 2024 @ 11:47pm 
I literally went one by one ans the achievement didn't pop 😫, any suggestions
Tumbling Cat 15 Jan, 2024 @ 10:39pm 
Thanks a lot, found a few places I had missed,

If I may make a request, please if possible, add the names of the areas/Islands next to the location names, the maps are quite low resolution.
ASH 13 Jul, 2023 @ 2:49am 
Thanks. No 28 and 29 hadn't shown up for me. It took a bit of time for the achievement to pop up though.
raixify 29 Jun, 2023 @ 12:17am 
Awesome guide. Well explained and organized. I’ll be using this guide as soon as I get back on! :steamhappy::steamthumbsup:
TugsMeDaily 26 Mar, 2023 @ 9:49am 
Thank you!!!!
AyCee 9 Jul, 2022 @ 7:44pm 
ur goated for making this
Rudiger 23 Jan, 2022 @ 8:22pm 
Thanks, I was missing #28
LuciusFox 20 Apr, 2021 @ 7:27pm 
Thanks, I was missing #10 !!! :steamthumbsup:
Henray 1 Apr, 2021 @ 9:39am 
Thank you! i was missing #26, cheeky of them to have it so inland haha