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Aggressor Adventure Travel
Thailand Aggressor :


Log Date: Saturday, Nov 04, 2017
Entry By: Thailand Aggressor Crew


Thailand Aggressor Captain’s Log   4-11 November 2017



*Air Temp. 30c

*Water Temp. 28c

* Visibility 20m



Captain: Tui

Cruise Director: Clive

Engineer: Bom

Deck hand: Rong

Deck Hand: Bank

Chef: Phorn

Chef: Vinai

Instructor: Jai

Instructor: Christian

Steward: Jinny

Video Pro: Ashley


Mary,Rick,Doug,Diana,Tom, Kaylee,Trudy, Lesley,Ric,Bob,Vincent,Fred,Melody,Jack



Sunday – Zodiac, Anitas Reef, West of Eden, East of Eden, Zodiac

Monday- Boulder City, Sharkfin Reef, Elephant Head, Deep Six, Hideaway

Tuesday- North Point, Christmas point, 3 Trees, Koh Bon x2.

Wednesday– Koh Tachai Pinnacle, Tachai West, Tachai Pinnacle, Tachai North

Thursday : Richelieu Rock x4

Friday – Koh Bon north, Koh Bon west


Our guests arrived around 17:00 and were excited for the beginning of the trip. We had a lovely dinner and went early to bed.


We arrived at the Similan National Park around 3:00 am so we had our dive safety briefing and it was time to get wet. Check dive was done at Anita’s reef south where we saw a multi pipe fish, nudis, and many fusiliers. North Anitas reef , with great visibility, we went through the channels and sow some fairly large giant trevallies, jacks, turtles and dozens of emperors. Our third dive we headed to west of eden and to our surprise our resident mantis shrimp that has been resident for many years. For our fourth dive we stayed at island 7 and dived the south tip it was a nice relaxed drift dive with octopus being found. For the night dive we headed for a shallow bay at island six it was a good night dive with 2 lobsters and also an Octopus out hunting, some of our guests settled down to a komodo national park documentary and then it was off to bed with great hopes for tomorrow.


The guests wake up and join in the salon eager for another exciting day of diving. The day begins at Boulder City, one of our deepest sites, which is covered in beautiful sea fans and corals. Our divers get a chance to have an up close encounter with a day octopus and a green sea turtle. After a hearty breakfast we drop in at Sharkfin Reef for a drift dive along and lively rock wall. Next we head over to Elephant Head Rock, a site know for its multiple swim throughs full of red snapper, peacock grouper, and schools of oriental sweetlips. Our next spot is Deep Six, where we are greeter by many schooling banner fish and bat fish. For dinner, Chef prepares a smoked salmon salad and an entrée of perfectly cooked beef steak. Following an exciting night diver, guests are treated to a hot cup of coco, then retire to their cabins for the night.


We awoke to a great sunrise and headed north to island 9 the furthest north of these 9 islands our days diving today would consist of some huge boulder dive sites then heading off for some drift dives along the huge reef that dominates the east coast of the island, On our first dive at north point we found our pigmy pipe horse, this critter is tiny at maybe half an inch long. We were also joined by a bump head parrot fish that cruised by to check us out. At Christmas point we saw a turtle and thousands of fusileers, and some groups were very lucky and saw a juvenile white tip reef shark, At 3 trees our guests were amazed at the fantastic coral and huge barrel sponges. Off we went to Koh Bon for our fourth dive the current had picked up a bit and we dived in the bay it was a nice easy dive with many reef fish including bluefin trevally and trumpet fish out hunting. After a very tasty dinner some of our guests decided on a night dive and saw octopus and a hunting moray. After the dive we settled down to a movie.


Waking up with the beautiful orange sunrise illuminating Koh Tachai Island, guests gather in the salon for hot coffee and the morning briefing. We head over via dinghy, roll in, and descent on the mooring line of a very lively Koh Tachai Pinnacle. With a mild current, we receive protection by the massive boulders and are able to slowly making our way around the pinnacle obsvering brightly colored fusiliers, thousands of glass fish, and schools of blue fin trevally. Next we head to West Tachai, a relaxing drift dive along a sloping coral reef. After lunch we decide to give the pinnacle another go and enter the water from the back of the boat via giant stride entry. The site is perfect with no current and clear visibility, hundreds of schooling barracuda, impressively large schools of bat fish, several marbled grouper, and a friendly giant pufferfish. Our fourth and final dive is at North Tachai, where we have another relaxing dive which was especially enjoyed by our photographers who stayed down for a 68 minute dive. Guests enjoy a dinner of Japanese style breaded pork and miso soup, along with a glass of wine as there is no night dive tonight. Guests relax and head early to bed in anticipation of a big day of diving tomorrow.

Thursday :

Great sunrise today and all our guests were fired up for a great days diving at the legendary Richelieu Rock, for the first of our four dives we headed for the south side of this huge underwater seamount. The viz was ok at around 60ft and we had some nice sunlight that really brings out the colors of this great divesite, we saw large schools of jacks patrolling the reef then suddenly darting in to feed on glass fish, our second dive we headed for the north side and most of our guests were lucky enough to see a octopus out hunting it gave an awesome display of color and texture change whilst throwing its arms out to disturb its prey on our third dive we started in the middle section of the horse shoe and saw a school of trevally feeding on glassfish. There was also some large groupers at the cleaning station and then 3 huge chevron barracuda showed up we all watched for around 5 minutes as they hovered over the cleaning station. On our final dive at this great dive site we decided on a dusk dive and caught plenty of hunting action with queen fish and trevally darting in and out. After the dive we upped anchor and headed for a sunset cruise back to Koh Tachai.

Friday –

Just the 2 dives today with this group from Tri star what a nice group we had this week, we started at Koh Bon at the west ridge and had sea snake and octopus sighted and also a juvenile Napoleon wrasse. For our final dive of the trip we headed for the inside and the wall that drops down to 30ft theres some great macro life here including Durban dancing shrimp and banded boxer shrimp as well as all the reef fish cruising the wall we also saw a moray out cruising the sand looking for its next meal. So after a good weeks diving we headed to our home port and our guests settled down to a few beers for the cruise back then we had our awesome bbq and video show.


All but one of our guests headed down to phuket this morning and were looking forward to Elephant trekking and also some sea kayaking, we had a really nice group this week and it was good to get back into the water for our keen dive staff and we all hope for trips and guests like this easy going group.