Dive Expeditions

2017 Events and beyond

We’re pleased to be leading several special dive events next year. These trips include:

Aug  13th -  20th, 2017: The Wrecks of Truk Lagoon

Feb 1st-7th 2018 : Japanese Wrecks of Coron and Apo Reef Liveaboard

May 18th- 27th 2018 : Wrecks and Sea Caves of Tablas Straits, Mindoro and Coron by Liveaboard

July 8th - 13th 2018 : Sri Lanka and the HMS Hermes

July 15th - 20th 2018 : Sri Lanka and the HMS Hermes


The Wrecks and Sea Caves of Tablas Straits, Mindoro and Coron

May 18th - 27th, 2018

Trip Overview

The trip will leave Puerto Galera late evening Friday 18th of May and head for the fantastic wreck of the M/V Mactan at Maestre de Campo Island, with night dives on the Japanese wrecks in Concepcion Harbour that evening. Next day would be Tablas Islands beautiful Blue Hole, the Lighthouse Cave possibly Carabao Islands Cathedral Cave. Depending on diver preference the nixt day could be at Maniguin Island or Panagatan before heading to North Palawan for three days on the WWII wrecks of Coron Bay, North Busuanga and the second Cathedral Cave of the voyage. The last sector will be west of Mindoro, at the rarely dived Colocoto Cave and finally, the spectacular waters around Apo Reef. Return home to Puerto is in the small hours of Sunday, May 27th.

Diving is aimed at, but not restricted to, technical divers. Experienced recreational divers will find all of these dive sites within their safe realm with the exception of Colocoto Cave, where a reef dive would be their alternative. Full support in terms of gases and double and deco tanks, and for rebreathers if needed, is available through Tech Asia and on Rags II.

Trip Schedule and Itinerary

Eight diving days covering the dive sites below :

  • • May 18th - Late evening Departure from Puerto Galera aboard Rags II
  • • May 19th – Diving the MV Mactan Wreck and Maestre de Campo
  • • May 20th  - Tablas Blue Hole, Lighthouse Cave
  • May 21st- To be decided - Panagatan or Maniguin Island
  • May 22nd- 24th - Three days on the Japanese Wrecks of Coron Bay
  • May 25th - 26th - Kyokuzan Maru, Colocoto Cave and Apo Reef
  • May 27th - Return early morning to Puerto Galera


Truk Lagoon

August 13th - 20th, 2017

A liveaboard on the MV Odyssey, aimed at technical or simple nitrox diving on the huge shallow wrecks of the Lagoon. The first week is all but fully booked and the second has been added for the people that missed out..

Trip Overview

Tech Asia has organized another week of  spectacular diving aboard the Liveaboard Odyssey in Truk ( Chuuk ) Lagoon, Micronesia. This former Japanese WWII supply base was the scene of the American carrier strike, Operation Hailstone, which in February 1944 sank over forty vessels and destroyed countless aircraft in a thirty six hour period. Untouched for decades, and always protected by local laws, this now constitutes by far the largest, and most pristine concentration of shipwrecks anywhere in the world. The dive sites and depth ranges lend themselves equally well to either recreational or technical penetration dives, both of which Odyssey will support during the trip.

Trip Schedule and Itinerary

The charter starts on August 13th 2017, running Sunday to Sunday with seven nights aboard the boat. Travel is best via Manila, with typical schedules having us fly Manila-Guam on the Saturday night, arriving early morning Sunday and spending a day in Guam before flying on to Chuuk that evening to board the boat. Up to five dives a day, including night dives, are available Monday to Saturday, with Saturday afternoon or evening seeing a return to port. Divers disembark Sunday morning and generally fly late night to Guam to make their onward connections.

Learn More about the Truk Expedition PDF

Truk Lagoon diving as regular HTML page.

HMS Hermes

July 2018

The HMS Hermes I was sunk along with HMAS Vampire, HMS Hollyhock and the RFA Athelstane. The attack went down in history as one of the most accurate bombings of a ship ever seen as she was caught without fighter escort by some eighty Japanese aircraft, the majority of which scored hits on the ship. She now lies port side down in 53m of water off shore from Batticoloa. As such, she is genuinely one of a kind, so few aircraft carriers have ever sunk in such shallow water that this fact alone makes her an incredibly unusual wreck.

Schedules and Diving Requirements

Two trips are running in 2018, with diving commencing July 8th and July 15th for each. A certification of Normoxic Trimix or equivalent would be ideal, and Technical Wreck certainly an asset. The group will be accompanied by one or two Tech Asia staff members ( with extensive experience running trips on the Hermes from 2010 to 2016 ), to advise and guide as required..

Logistics and Arrangements

The access point for the wreck is the eastern Sri Lankan town of Batticoloa. This is six to seven hours drive across the country from the International arrival point in Colombo, and will be made by small a/c coach. Accommodation in Batticoloa will be at the Deep Sea Resort,. On arrival and departure, accommodation if needed, is best arranged in Negombo, close to the airport. Please note that the Batticoloa resorts are basic, simple lodging houses, not International class hotels. Expect the best food to be local style cuisine, again simple and inexpensive. Details of the trips are at the links below.

See more about the HMS Hermes Expedition

or here.