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About Undercurrent

The Ad-Free Diving Magazine Trusted by Serious Divers Since 1975

Whether you're in search of the best dive operation in Cozumel, looking for a live-aboard in Indonesia or Fiji, or news about a dive computer recall, you're in the market for scuba diving information that's independent, authoritative, and easy to find. Published continuously since 1975, we're the source that serious divers have always trusted. Read more

Welcome to the online edition of Undercurrent, the serious diver's source for unbiased, ad-free reviews of dive destinations, dive operations, and dive equipment since 1975.

Editor's Pick of the month

Tropical Ice

Written by Undercurrent's publisher Ben Davison (writing as KL Smith) and set in Belize, Tropical Ice is a story of shark-finning and reef-raping, murder and politics, on an industrial scale, with plenty of diving.

It all takes place at Cap'n Jack's Rum Caye Dive Resort, where Jack's trying to save his failing resort with shark-feeding dives, until a body turns up in the damnedest place.

Tropical Ice is available online from Amazon in paperback or Kindle, and in bookstores.

Other Book Picks

Dive Articles

Dive Gear Reviews & Recalls
- Recalls, regulators, dive computers, UW photo, ...

Diving Health & Safety
- Accidents, DCS, medical studies, stings and bites, ...

Environment, Misc. Diving
- Marine environment, dive industry, legal, insurance, travel, ...

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.

Undercurrent March Issue

From the March issue, Subscribers can download the entire issue or read individual articles and read about:

Read a sample issue:
[As Normal Web Pages] [Original PDF Version]

Latest Reader Reports from the serious divers who read Undercurrent	All 10,000+ Reports
NECO Marine Report in Micronesia *"Good but with some issues"* filed Mar 13, 2026 by Victor Kenton* (Experience: Over 1000 dives)*
NECO is efficiently run. On time, nice boat, prefilled Nitrox. Unfortunately, a couple of problems. On the first day, an older Aust... ... Read more
Subway Watersports/Turquoise Bay Report in Honduras/Roatan *"The first visit here since covid, worth the wait."* filed Mar 12, 2026 by Richard Jones* (Experience: Over 1000 dives, 7 reports, Sr. Reviewer )*
This was my 3rd visit to Turquoise Bay spread over 15 years. The resort has been updated with good Wi-Fi, redone rooms, and an upgraded... ... Read more
Rocket Frog Divers/Hotel Bosque del mar Report in Costa Rica/Guanacaste Playa Coco *"Cold!"* filed Mar 11, 2026 by Marcia Pedersen* (Experience: Over 1000 dives, 16 reports, Contributor )*
Cold! I quit diving after three days. In addition to the recommended 3mm suit, I brought neoprene socks and a light hood. After the sec... ... Read more
Emperor Explorer Report in Maldives/Gan to Koodhoo *"Sharky Maldives"* filed Mar 6, 2026 by Jeanne Downey* (Experience: Over 1000 dives, 57 reports, Top Contributor )*
This was my husband’s and my third trip to the Maldives; previously we dived the central islands. The southern portion is best dived du... ... Read more
Ovean Divers/Conrad Rangali Report in Maldives/South Ari atoll *"Great Manta encounters at South Ari atoll resort"* filed Mar 6, 2026 by Graham McGregor* (Experience: 501-1000 dives, 44 reports, Top Contributor )*
This was my 7th stay at Conrad Rangali and I managed to get 17 dives. Virtually all the dives were close to the resort on the Rangali R... ... Read more

See Instant Reader Reports On All Destinations
Subscribers Can Submit a Reader Report Here

What's this?

Browse Current Issue | Browse Recent Issues

Undercurrent subscribers can now download the 2025 Travelin' Diver's Chapbook with 417 reader 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:

• Cuts and grazes sustained from coral, 03/26
• Bora Bora - diving in French Polynesia, 10/25
• A SIPE incident hits the news again, 10/25
• Safety issues plague Egyptian Red Sea liveaboards, 10/25
• A Circus Shark Tamer or Conservationist?, 09/25
• Not Yet Plain Sailing for the SS United States, 09/25
• Stingy Operators, Runny Noses, Credit Card Theft, 08/25
• New Technology to Track Divers, 08/25
• The value of using a travel agent, 07/25
• Flotsam & Jetsam, 07/25
• The Avelo System Reviewed in Depth, 06/25
• The Call for Regulation of Liveaboards, 05/25
• Tariffs and Scuba Gear , 05/25
• That Diver's Medical Form, 03/25
• Fifteen Years Ago Cocos Island Swarmed with Turtles. Why Have Many Disappeared?, 02/25
• Held Hostage Until Signing a Liability Waiver, 02/25
• LiPo bags halt battery fires, 10/24
• It takes hope to save yourself, 10/24
• Does Renting Gear Save Travel Hassle?, 08/24
• Having Fun with Artificial Intelligence, 07/24
• Diving from the BVI Aggressor in the British Virgin Islands, 06/24
• How should we tip the dive crew?, 04/24
• Should I Insure Old Scuba Gear?, 03/24
• What's happening with liveaboards?, 02/24
• Scorkl - Why divers see its potential danger, 01/24
• A stroke while diving is serious, 01/24
• Emergency evacuation from the Revillagigedo islands, 01/24
• Liveaboards: Fertile Ground for COVID, 11/23
• Divers of a Certain Age, 11/23
• With MY. Bilikiki in the South Pacific's Solomon Islands, 10/23
• Cayman, Maui, Raja Ampat, Texas - reader's report, 09/23
• Guadalupe island closure cost big money, 08/23

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The Surge in Liveaboard Disasters, featuring the stories of more than 40 liveaboards that have sunk, burned, or got stuck on reefs in the past 20 years plus ...