Author

Marcus Knight

Marcus Knight

Marcus Knight (aka “The Scuba Monkey”) first dived during the ‘90s and was bitten by the scuba bug. During the years that followed, Marcus became absorbed in diving and, today, is a Master Instructor for both PADI and SSI.

With over a decade as a professional diver, Marcus has lived and taught
scuba around the world, including Australia, Asia, the Mediterranean Sea and the wreck heaven of Scapa Flow in the Orkney Islands. Check out his website here.

Stories by Marcus
Scuba Refresher Course
Training

Why You Should Take a Scuba Refresher Course

If you haven’t been diving for a while or you’ve got a big trip planned, it’s wise to take a scuba refresher course before you blow bubbles again.

by
Dunning-Kruger
Health In the Water New to Scuba Training

Training Fundamentals: The Dunning-Kruger Diver

What is the Dunning-Kruger effect, and what role does this condition play in dive incidents and accidents?

by
CESA
In the Water

Training Tips: How to Safely Conduct a CESA

What is a Controlled Emergency Swimming Ascent (CESA) and how do you safely execute one?

by
Places to Learn to Scuba Dive
Dive Locations In the Water Training Travel

Best Places to Learn to Scuba Dive

Some locations are more beginner friendly than others. What are the world’s best places to learn to scuba dive?

by
New stuff
Paralenz

What Makes Paralenz the Best Underwater Action Camera for Divers?

The Paralenz Dive Camera was one of 2017’s biggest innovations in underwater videography. What makes it so special?
by Press Release
Green Sea Turtles

Climate Change May Be Turning 99 Percent of Baby Green Sea Turtles into Females

A warmer external temperature means 99 percent of baby green sea turtles are turning into females, endangering the worldwide population
by Rebecca Strauss
Pufferfish

Stop Puffing Pufferfish

We’ve all seen images of an adorably puffed-up pufferfish, but in reality, divers and divemasters do real harm when they cause these fish to puff up.
by Guest Author
Best Cold Water Scuba Diving

The World’s Best Cold Water Scuba Diving

Don’t let chilly temperatures keep you out of the water. The world’s best cold water scuba diving offers wrecks, crystal-clear visibility, kelp forests, tons of fish and more.
by Yvonne Press