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
natural navigation underwater
Training In the Water

Natural Navigation Underwater

Familiar sites or those with distinctive landmarks offer the opportunity to improve your skills at natural navigation underwater.

by
Scuba Cylinders
Training In the Water

When Scuba Cylinders Go Bad

Of all our equipment, we often overlook our scuba cylinders the most. But when scuba cylinders have problems, there are often disastrous consequences.

by
Proper weighting when diving
Training In the Water

Training Tips: Proper Weighting When Diving

Achieving proper weighting when diving is one of the key aspects of being a proficient and capable scuba diver.

by
using a compass underwater
Training In the Water

Using a Compass Underwater

Many divers stop learning about underwater navigation after their first open-water course. But using a compass underwater properly is a vital skill.

by
New stuff

Dive Into the Pink Holds Second Annual Online Auction

Nonprofit organization Dive into the Pink will hold its second annual online auction to benefit the Young Survival Coalition (YSC).
by Press Release
diver propulsion vehicle

Diver Propulsion Vehicle Training

Using a diver propulsion vehicle underwater means you can cover far more territory on each dive. How do you use one safely?
by Hayley-Jo Carr
Photograph Corals

How to Identify and Photograph Corals

Underwater photography tends to focus on megafauna or macro animal subjects. But learning how to identify and photograph corals can be just as exciting.
by Guest Author

Scuba Diving in Costa Rica: The Bats and the Cats

Scuba diving in Costa Rica off Guanacaste Province offers visitors everything from enormous schools of pufferfish (yes, really) to encounters with mantas and burly bull sharks.
by Rebecca Strauss