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Undercurrent.org, the Private, Exclusive Guide for Serious Divers Since 1975
The Independent, Nonprofit Guide for Serious Divers Since 1975

Since 1975, Undercurrent, a nonprofit organization, has published a monthly, subscription-only, ad-free newsletter, with travel reviews -- the good, the bad, and the ugly -- by undercover correspondents, the latest on safety, accidents, and divers deaths (what divers must do to dive safely), equipment issues and problems, and features on tipping protocol ... ensuring ocean rescue ... dive insurance shortcomings ... liability lawsuits ... using that safety sausage properly ... problems with online booking agents ... which resorts and liveaboards fail our standards . . . .everything a serious traveling diver needs to know.

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Undercurrent August Issue

Some Disappointment on the MV Spirit of Freedom, 08/2019

The dwarf minke whales turned up as promised, the reef sharks put on a show, the giant potato cod posed for photos; but our undercover contributor discovered it was a rather colorless experience at Osprey Reef on Queensland's GBR -- with disappointment not helped by the cramped conditions on board the boat. You can read-it-for-free here. ...   Read more >>

Flying After Diving?, 08/2019

It's commonly thought sensible for divers to give themselves a 24-hour surface interval before subjecting their bodies, loaded with nitrogen, to the reduced pressure of an aircraft's cabin, but some are not even aware of that. Research into diver's habits reveals the ill-informed includes many more divers than previously thought and, after a multi-dive trip, even 24-hours may not be sufficient to be safe from the symptoms of decompression illness. You can read-it-for-free here. ...   Read more >>

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Latest Reader Reports

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SMART Dive Center/Siapdan Mabul Resort Report in Malaysia/Mabul island
"Dive and stay at SMART Sipadan Mabul Resort"
filed Aug 23, 2019 by David (Experience: 251-500 dives, 7 reports, Sr. Reviewer )
5 stars

At Tawau Airport, you’ll be greeted by representatives for SMART (Sipadan Mabul Resort) who coordinate the one-hour bus transfer to the... ... Read more

Borneo Divers/Borneo Divers Mabul Resort Report in Malaysia/Sipadan
"Borneo Divers Mabul Resort - Mabul and Sipadan diving"
filed Aug 23, 2019 by David W. (Experience: 251-500 dives, 7 reports, Sr. Reviewer )
5 stars

Borneo Divers is located on the small Island of Mabul which has loads of great dive sites, some right off the shore and some a bit furt... ... Read more

AquaMarine Diving - Bali Report in Indonesia/Bali
"Diving Safari"
filed Aug 22, 2019 by Tabby Stone (Experience: Over 1000 dives, 4 reports, Reviewer )
4 stars

Bali is a big island with dive sites too far apart to be easily reached staying in one place. We have taken "Dive Safari" trips with Aq... ... Read more

Dive Cenotes Mexico/Air B & B Akumal Report in Cozumel and the Mexican Yucatan/Yacutan, Mexico
"Diving the cenotes of Yacutan, Mexico"
filed Aug 22, 2019 by Andrew Falconer (Experience: 501-1000 dives, 36 reports, Top Contributor )
5 stars

Diving the Cenotes of the Yacutan Peninsula, Mexico by Andrew Falconer As part of a wider trip in Mexico, I spent two days diving s... ... Read more

M/V Valentina/Fun Azul Fleet Report in Mexico (Western)/Southern Sea of Cortez
"As good as 38 years ago!"
filed Aug 22, 2019 by Thomas H Rynalski (Experience: Over 1000 dives, 2 reports)
5 stars

Last visit to Sea of Cortez was 38 years ago, on our first live-aboard (M/V Marisla II). One of our two dive masters on the Valentina ... ... Read more

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Undercurrent subscribers can now download the 2019 Chapbook with over 700 reports on liveaboards/dive resorts worldwide, or have it emailed to you, here. Additionally subscribers can generate their own Mini Chapbooks here -- non-subscribers can also do this here.

Read these free articles from past issues:

Isla Marisol, Glover's Reef, 07/19
Killed by Sharks while Snorkeling with Pigs, 07/19
Prevent an Incident From Becoming a Crisis, 07/19
Surviving deep underwater with nothing to breathe, 06/19
Top tips on getting good photos underwater, 06/19
How to fly for free to your dive destination, 05/19
A snorkeler gets swallowed by a whale, 05/19
Splash in with Splash Inn, Roatan, Honduras, 04/19
Catastrophic regulator failures should be rare, 04/19
Is Your Old Computer Still Safe?, 03/19
Why Divers Die: Part II, 02/19
Traditional Fins are Making a Comeback, 02/19
What new equipment appeared at the annual Diving Equipment Manufacturers Association (DEMA) show?, 01/19
Why are divers now getting bitten by sharks in the Red Sea?, 01/19
Sunset House in Grand Cayman, 11/18
Read This Before Plugging In, 11/18
Olympus Dive Center for Sharks and Shipwrecks Galore, 10/18
Even Air Breathing Divers Should Analyse Their Gas, 10/18
Deadman Diving: Not A Dive Agency Product, 09/18
Problems with Sherwood Avid BCs Still Continue, 09/18
Extreme Courage -- and a Good Nose,
cave divers' amazing rescue of the Wild Boar soccer team, 08/18

Plastic Packaging And The Diving Industry, 07/18
Undercurrent Gets An Award, 07/18
Tulsa Diver Bent In Cozumel Gets An Insurance Shock, 07/18
MV Belize Aggressor III, Belize, 06/18
Unvarnished Truth Can Hurt But It's Still the Truth, 06/18
Oxygen Analyzers - What's New?, 06/18
“Me Too” in the Diving Industry, 05/18
Sending Your Sausage Safely, 04/18
Diving in Lembeh Can Be Infectious!, 04/18
Did Your Travel Insurance Cough Up When You Needed It?, 03/18
The Chinchorro Banks, Alor, Belize and Roatan, 02/18
Get Your Weights Off First, 02/18
Catastrophe at Cocos Island, 01/18
How Often Should You Have Your Regulator Serviced?, 01/18
Plastic is Suffocating the Ocean, 01/18

More Free Dive Articles