Best Diving in Krabi

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Besides the spectacular scenery over the surface, Krabi also offers divers amazing sceneries below the surface consisting of an abundant marine life.

Despite the recent damaging impact of the tsunami, the deeper waters have remained comparatively intact.

If divers are willing to dive in Koh Phi Phi or in other small islands, then Krabi would be the most appropriate base. Ao Nang is where the majority of the local diving operators are based and it is around 30mins drive away from the town of Krabi.

Scuba Diving

Diving is relatively shallow around fringing and patch reefs, reached in a maximum of 45 minutes on Longtail boats, about half the time by dive boat, which also visits the dive sites further afield.

Local diving parallels local tourism: they are both very much in their infancy here, as people are only just learning of Krabi’s existence.

The locals corals have suffered minimal damage, with the conditions improving towards the south of the bay.

Visibility ranges from day to day with an average expectancy of between 5 and 15 metres making these waters perfect for diver training and qualified divers alike.

There are gentle, sloping reefs, caves and exciting swim-throughs, and first-class snorkelling in easily accessible shallow waters. Currents at particular sites are strong at different times of the day and month. Dive leaders here are well aware of their local conditions and accurately select the sites accordingly to suit the conditions present on the day.

The reefs here primarily consist of clusters of staghorn, cauliflower, leaf and plate corals, along with generous patches of soft coral varieties. The presence of marine life is as diverse as it is colourful, and divers and snorkellers can expect to see small reef sharks such as black-tip and leopards. Turtles too are a familiar site, as well as stingrays and moray eels.

Sites further afield include ‘Shark Point Marine Sanctuary’ and the ‘King Cruiser’ wreck, the Koh Phi Phi and Koh Ha Yai Island groups and, as previously mentioned, Hin Daeng and Hin Muang in the deep south. This selection of diving really caters for all levels of diver, with opportunities to learn in ‘nursery’ like waters before taking that giant stride at accessible world-class locations.

Style & Service

This beach is also rich in its selection of diving operators, which begin and end before and after you hit the main drag. The interesting thing about this particular destination is that each dive operator has their own special points or style of service. For instance, if its equipment you’re after, there are some tech-friendly dive shops that maintain a fully functional service centre and retail outlet stocked with an extensive range of major brands as well as a selection of handy knick knacks otherwise unseen in Krabi.


Dive Season

Year round scuba diving with best conditions between the months of October and May.


Heading down the road towards the beach are some dive centers who operate the areas with liveaboard services, with regular trips scheduled to the southern sites of Hin Daeng and Muang. Access to these remote sites is not restricted to liveaboard excursions; the super-fast boat of some dive centers whisks divers to these sites on a daily basis.

Ao Nang has two islands, locally known as Ko Poda Nai and Nok; to the west of these islands is a handful of limestone outcrops. Along with the two islands themselves, it is the perimeters of these eroded structures that provide the area’s dive sites.

Dive Sites

Koh Haa

  • 12-22m
  • Moderate to strong currents
  • Rocky karst with colorful soft corals.
  • Good for critters and leopard sharks.

Koh See

  • 10-20m
  • Moderate to strong currents
  • Good bio-diversity of soft and hard corals.
  • Black-tip reef sharks, leopard sharks and triggerfish.

Koh Ya Wa

  • 3-10m
  • Can be strong current
  • Huge underwater archway. Several boulders covered with anemones hosting nemos.
  • Variety of shrimps.

Hin Bia Rhlua

  • 5-16m
  • Weak to moderate currents
  • Several swimthroughs.
  • various color soft corals and snapperfish, triggerfish, angelfih and butterflyfish.
  • Nudibranchs.

Koh Mae Urai

  • 10-16m
  • Weak to moderate currents
  • 2 swimthroughs.
  • Lionfish, pufferfish and scorpionfish.
  • Sea anemones hosting anemonefishes.

Dive Sites Reviews in Krabi

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Liveaboard Reviews in Krabi

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Vinícius July 26, 2017

Hello. I’m planning a trip at the end of the year to Thailand and I would like to know about diving for beginners. Where does the PADI course for beginners take place? Is it avaiable in Phi Phi, or just in Railay? What time does it begin and finish? Thank you.


Angeline August 09, 2017

staying at Islanda Hideaway Resort from Thursday to Sunday and keen to dive 🙂 2 people advanced and 2 need a refresher course before doing dives. Can you let me know costs and if you can collect us from the resort?


Han August 28, 2017

I would like to book diving, thanks!


Yasmin August 29, 2017


My daughter (14) and I are coming to Railay in February 2018 and we’re interested in having an intro to Scuba. Please could you tell me what would be the best option for us, how much it would cost for 1 adult and 1 child and what the timings would be ie. is it a full day trip?

I look forward to hearing more details.

Many thanks in advance.

Best wishes,



jeff September 12, 2017


I will be in railay in early December and would love to do a day trip. I have advanced certification with 26 dives but haven’t dived since 2012.

What is the best trip for me? Does a day trip include the standard 3 dives or is there time for more?


Steinar September 24, 2017

HI! I have Advanced divinglevel from 1995 and ca.500 dives up till now. I have lost my Advanced card, but my diveshop in Trondheim, Norway tells me no cards are neccesery anymore, that divecenters all over the world can look up my name and courses on if you have my name and birth date.
I will arrive Railey Sand resort 2.Oct and I really want to do some dives during my stay. Can you please tell me if my divecenter in Norway is correct? Please respond urgently.
Yours sincerely


Jacob October 30, 2017

Hello, I would like to do a diving course. I am kindly waiting for a response. Thanks


Yasmin November 03, 2017

Hi, I would like to book a dive for me and my daughter who are staying in Railay from 12th-15th February. My daughter is 14 and has never been diving before. I have dived but it was almost 20 years ago. We would like a taster session. Please could you let me know what would be most suitable for us and the costs involved?
Many thanks.


Yasmin November 09, 2017

Dear Sir/Madam,
I would really like to book a dive for me and my daughter. I’ve contacted you several time but have had no response.
Please could you contact me?
Many thanks.


Jodi November 25, 2017

We will be visiting Krabi the end of December and first part of January. We are beginners in diving and would like to take a course to be certified. What would be the best course for us?


Iwona December 05, 2017

Dear Sir/Madam,
I represent polish travel agency. Our clients coming to Rayavadee hotel in January. They would like to diving in the area. Could you send me information about options, where they can diving and what you offer. If you have any maps, please for information.
I will be grateful for quick answer.
Thank you.

Kind regards


Sheldon December 07, 2017

Hi there I am coming to rayavadee resort in March 2018 and want to do the advanced diving certification. Please get back to me on price etc so I can book.

Thank you


Alex December 08, 2017

Do you still have any 2d/3n liveaboard cruises with the Mermaid 2 going to Hin Daeng/ Hin Muang?
I am interested in a trip at the end of this month (December 2017).

Thank you!



Leslie December 13, 2017

I am going to be in Ao Nang on March 19 and would like to do my PADI Advance Open Water. Can you please send me info on the size of your groups and costs. When do you need me to make a reservation?


jean January 04, 2018

Hello i would like some information for a day scuba diving for beginners (my girfriend and me), we’ll stay in railey west between 15 and 19 january 2018. Is it possible ?


Angela January 14, 2018

I am interested in a day trip to Phi Phi (2 dives)in March 2018

What is the cost?
Does it include lunch/drinks/hotel pickup?

Is there extra charge for equipment hire (regs, BCD, suit)?



Christine January 15, 2018

To whom it may concern,

I would like to know if you have any dive day trip for 1st or 2nd April, to dive sites Hin Daeng, Hin Muang and Koh Ha?

If so, how much is it and what’s the schedule of the day be like?





Maynaha February 04, 2018

Hi I am planning to do my open water referral course int he UK. Is it possible to do Open water completion only with you. How much would that normally cost?



Laura July 19, 2018

hi my friend is looking to get her open water dive certificate. We were wondering if i’d be able to join these dives as i’m already certified


Virginie July 23, 2018

I would like to know if you are proposing a day trip to Hin Daeng/Hin Muang on 22/09?
Also could you please share your price list?
Thank you


James August 10, 2018

Hi, I’m interested in staying in Ao Nang for a holiday in first week of September.

Would yourselves and other tourism companies be operating during this time since it is the wet season? Hoping to scuba dive, snorkel, rock climb, rent kayak/wind surfer, etc.



May August 29, 2018

Going to Krabi in Nov 16-26. Plan to stay three different places, whereas two is already decided Railay and Klong Muang Beach. The last destination is not decided yet and I wonder if you have any recommendations for where to stay in order to dive and/or if the decided places is sufficient starting points for diving? I have dived some places; Mardeira, Malaysia, Mauritius up to 18 meters depth, but do not have the complete license. Where do you recommend me to dive? And where shall I stay if I can arrange day trips with you? Thank you in advance. /May


Zaragoza September 06, 2018

Me gustaría bucear con vosotros entre el 22 y 24 de octubre


Zaragoza September 06, 2018

I would like to dive with you
Between 22 to 24 October
Can you say me hotels near the dive center?


Danielle September 15, 2018


My husband and I are interested in doing about 10 dives each between 20-27/October. We’re both Scuba Diving Instructors with our own gear. May I inquire about your rates and availability?

Thank you,


Frank November 05, 2018

Dear reader,

From januar first till januar fifth, me and my girlfriend will be in Railay Beach.

While she has her open water, I’m advanced open water. We would like to either dive at Koh Phi Phi or Hin Daeng/Hin Muang. Furthermore, I might opt for a Emergency First Response course.

What are the possibilities for this period and our interests?

Thanks in advance


Nikolaus November 21, 2018


I will arrive at Rayavadee on Friday this week.
I am an experienced diver (more than 70 dives) and have a PADI OWD.
What dive-trips do you offer?
Half-Day or only Full-Day?

All the best


Barry November 29, 2018


I want to do a PADI open water course starting December 10th. Is it possible?




Nicole January 14, 2019

I would like to book a Discovery Dive on February 13th or 14th, to Koh Phi Lee with your company. What time does the boat leave? Where does the boat leave from?

Is this possible?


Stefan January 19, 2019

Hi there

I’m interested in diving with whale sharks is this possible. I saw it would be phi phi island and what price?

When could it be scheduled?
Thank you in advance




Steve February 15, 2019

I will be in Ao Nang starting April 3 for a few days, and wanted to dive Hin Daeng and Hin Muang, your website says you do day trips. Do you have any scheduled that week?


Steven February 25, 2019

I took a dive class in 1998. I’ve always wanted to go back. I believe it was at An Nang. Do you still have a school there and are there still cottages you can rent?


Douglas March 02, 2019

Hi… I wanna go diving on Monday or Tuesday… I have been diving for a few years but have a padi open water licence.


claus March 04, 2019


We’ll be at Railay beach from 5 April.
Is it possible for one person to do an advanced course starting 6 or 7 April? If so, what specialties do you offer?


Koven April 05, 2019

Do u have fin dive trip tomorrow?


Valentin May 22, 2019

Hi Guys,
I ll be in Krabi/ Railay Beach from 4.6. in the early morning till the 7.6. and i wanted to do 4-5 dives in these days. Could you give me a quick overview what dives you do and how much they are?

Best Valentin


Brandon July 12, 2019

I’d like to go scuba diving tomorrow we will be traveling from koh lanta to Railay Beach in the morning.


Taylor July 29, 2019

Hello I am interested in doing the one day PADI diving course today I was wondering if you have anything open


Gorka August 16, 2019

Somos una familia de 4 personas que vamos a estar alojados en Ton Sai del 18 al 22 de agosto.
3 de nosotros tenemos la titulacion de PADI y nos gustaria bucear.
El cuarto esta interesado en sacar el titulo.
Quisieramos saber si podemos bucear con vosotros durante esos dias y tambien si es posible sacar la titulacion.
Que coste tendria???
Esperando vuestras noticias, se despide



Riley November 09, 2019

Hi there, we (me and my wife) are hoping to dive at the Phi Phi island on November 14, 2019. Our hotel is in Railay Beach. Our hotel manager suggested we ask you if pick up the morning of our dive would be possible at Railay Beach – instead of coming into Ao Nang. This would greatly reduce the amount of transit that we need to do in order to participate.

We will be out of contact for email until November 12, please don’t hesitate to email us and we will confirm if this works out at that time.


Arval December 13, 2019

I am PADI Master diver

Looking for open water PADI dive course in Portuguese. Wife is Brazilian and speaks limited English

We have three days (14, 15 and 16) to complete the course

Is this possible?

How much?


Craig December 29, 2019

I am visiting Krabi and I would like to book a diving day trip on February 24th. Please provide information about prices and pick ups at Rayavadee resort. If possible I would like to see whale sharks. I am an experienced diver.
Best regards.


Josep January 01, 2020

Hi! We are 2 people and we would like to do the Discover Scuba diving course. Do you have availability for this Friday, 3rd of January?
What is the timetable?


Nova March 04, 2020

i would like to take lesson on Open water dive on april 14.

how much is the price for to person?

what is the schedule and itinerary?

one of friend of mine is SSI license. can he dive and get a credit of diving with you?

can i have your contact number for me to call?



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