On a small charter boat in HI and a whale swam right under the boat.

http://ift.tt/21yiXMv

Nightmare

http://ift.tt/1oKYbaL

Down Below (x/post r/sharks)

http://ift.tt/1QHQZTh

This Imgur ad just realized it also has Thalassophobia.

http://ift.tt/1oUqlR9

Virtual Reality really brings my fear of the ocean to life

https://youtu.be/CyjSRGJdd7o?t=59

SCUBA diving for the first and last time in Zanzibar, 2009. [OC]

http://ift.tt/1QopcLR

Tom Scott - Unexploded Bombs off the British Coast: the SS Richard Montgomery

https://www.youtube.com/watch?v=R9u41aeItss

St. Andrews Tidal Pool

http://ift.tt/21EEorQ

Tommy Kinnerup Savage Gear

http://ift.tt/1oTU9gG

Childhood nightmares

http://ift.tt/1QnVSF7

It isn't even safe to dip your hand in the water ("Reach" by artist Varethane)

http://ift.tt/1KYQBnm

It tickles

http://ift.tt/1VMzzcl

One of the best scenes from Atlantis: The Lost Empire.

https://www.youtube.com/watch?v=_w1upGFwyyU

A nerve-wracking piece by /u/rongkongcoma from /r/photoshopbattles

http://ift.tt/1pjpeu4

[ART] Pale tentacles in a dark abyss... Would you hang this in your living room?

http://ift.tt/1TgiLwV

Im tired of my booring husband.. I want harder! Join me, call me a bitch! Jo38yNr8F

http://ift.tt/1KVGZJX

SS Palo Alto in Aptos, CA. I refuse to go in the water when I'm at this beach.

http://ift.tt/1LO5P9u

Surfing the perfect wave (taken from r/sports)

http://ift.tt/1TDeSAC

"Get out." Beluga whale mimics human speech

http://ift.tt/1Us1W0V

The big wave

http://ift.tt/1OFuLQm

Sailors, marines diving off of their ships

http://ift.tt/1OFltE0

Iceberg under water.

http://ift.tt/1Tfl2IH

Mapping a previously undiscovered trench in the Antarctic. [xpost r/creepy]

http://ift.tt/1TaROuy

Hope they made it back okay

http://ift.tt/1RbmBB2

Selfie from the deepest pool in the world.

http://ift.tt/1Qbyh9c

Sitting....

http://ift.tt/1oPcs6S

The original scary eel

http://ift.tt/212iXie

That crack (x-post r/Earthporn)

http://ift.tt/1WOJbU6

The dangers of sailing near the underwater volcanoes

http://ift.tt/1oOUPnF

Ready to face your fears? NOAA are about to livestream their latest dive, and they're going 4.4km down...

http://ift.tt/1S8uNa2

Watch lesbians touch a penis for the first time wztKhm4IpIv

http://ift.tt/1QDoLsF

Watch "Great White Sharks 360 Video 4K!! - Close encounter on Amazing Virtual Dive" on YouTube

https://youtu.be/HNOT_feL27Y

You're being watched [OC].

http://ift.tt/1oOrud9

The worst kind of cliff diving

http://ift.tt/1Tdf2Ag

Out of nowhere…

http://ift.tt/1T2ewEL

It's amazing but it does belong here (wait a few seconds)

https://youtu.be/wLpSzLdQBEY?t=1m20s

Beautiful girls for dating and flirting! ldVfxRiN

http://ift.tt/1R8vhZ0

You go first

http://ift.tt/210oQwj

Pilot whales hover over the deep

http://ift.tt/1UomNCq

Worst Nightmare

https://youtu.be/w-JAUnvTlZY

Sea creatures attacking compilation

https://www.youtube.com/watch?v=G7WFRXL8WGE

Found on Imgur. Quickly hit next.

http://ift.tt/1oDBJQA

I took some pictures in the Red Sea that I thought you might (not) enjoy!

http://ift.tt/24sagSZ

Swimming with a mola mola

http://ift.tt/1Qgpj8L

Winning with a mola mola

http://ift.tt/1Qgpj8L

Jellyfish Lake in Palau. (X-Post r/marinebiologygifs)

http://ift.tt/21k32Bh

Swimming with a Mola Mola (x-post r/gifs)

http://ift.tt/1oK2VOn

The murk

http://ift.tt/1oK5xvG

Saw this in a post on the front page.

http://ift.tt/1QHGLbF

Saw this on /r/Navy and figured it would trigger you guys

http://ift.tt/1S3foYB