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From60US$ /night
Check-in
11Mar2026Select date
Check-out
12Mar2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Resort

45/1 Moo 3 Koh Tao, Chalok Baan Kao Bay, Koh Tao, Thailand, 84360
-
Close to paradisiacal beaches
Great
8.0
/10
4.8
/5

Diving Experience

Hydronauts Diving Resort offers personalized diving instruction through its RAID diving courses, focusing on small groups for individual attention. Guests can learn from beginner to advanced levels, including technical diving with experienced instructors. A maximum of four divers per instructor ensures a tailored learning approach and builds confidence in the water.

Dive Center & Facilities

The resort features a fully equipped dive center and a training pool, all located just steps from the beachfront. Guests can enjoy on-site dining options at the café and restaurant, as well as a beach bar for relaxation after dives. A spacious dive boat prepares guests for daily excursions to Koh Tao's best dive sites.

Environmental Commitment

Hydronauts supports marine conservation through its Global Reef Partnership, actively participating in efforts to protect Koh Tao's ecosystems. All educational materials for courses are online to minimize paper usage, aligning with sustainable practices. Every aspect of the dive operation maintains eco-friendly methods.

Courses Available

The resort offers a wide range of diving courses, including introductory programs like the RAID Try Dive for first-time divers. Advanced training includes specialties such as the RAID Nitrox and RAID Master Rescue Diver courses, providing valuable skills for safety and enjoyment. Comprehensive Divemaster training allows passionate divers to pursue a professional career in diving.

Location & Accessibility

Hydronauts Diving Resort is conveniently located in Chalok Bay, providing easy access to over 25 dive sites within minutes by boat. The beachfront setting allows for quick transitions from classrooms to open water dives. Guests can explore Koh Tao's colorful reefs and marine life just steps from their accommodation.

Highlights

Location: Chalok Bay with direct beach access .

Diving: RAID courses with small group sizes .

Facilities: Fully equipped dive center and training pool .

Commitment: Global Reef Partnership for marine conservation .

Dining: On-site café, restaurant, and beach bar .

“This beachfront property has a prime diving center going for it. The location away from the center requires travelers to rent a motorbike. I think the inconsistent room maintenance holds it back, especially considering the price.”
Hotel logo
James DavidEditor-in-Chief at Toresort
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Select your room type

Hydronauts Diving Resort - Koh Tao offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Bunk Bed Mixed Dormitory Room
2 persons
270 sq. feet 
1 Bunk bed
Shower
Bed Mixed Dormitory Room
2 persons
270 sq. feet 
1 Bunk bed
Shower
Budget Double Room
2 persons
270 sq. feet 
1 Double bed
Shower
Balcony
Superior Twin Room
2 persons
270 sq. feet 
2 Single beds
Shower
Balcony
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Price and Room Availability Calendar

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Facilities

Hydronauts Diving Resort - Koh Tao offers amenities for your comfortable stay and unforgettable experiences
Facilities: Very good
7.8/10Review score

General

  • Non-smoking rooms
  • Parking
  • No pets allowed
  • Security
  • Locker room
  • Coffee shop
  • Smoke detectors
  • Fire extinguishers
  • Key access

Sports & Fitness

  • Diving
  • Snorkelling

Guest Parking

  • Electric kettle

Services

  • Laundry
  • Tours/Ticket assistance
  • Welcome drink
  • Happy hour

Dining

  • Restaurant
  • Bar/ Lounge area
  • Picnic area/ Tables

Business

  • Meeting/ Banquet facilities

Children

  • Board games
  • Game room

Spa & Leisure

  • Beach access
  • Entertainment
  • Sun terrace
  • Garden area
  • Leisure/ TV room

Room features

  • Free Wi-Fi in rooms
  • Air conditioning
  • Patio
  • Terrace
  • Garden furniture
  • Tea and coffee facilities

Bathroom

  • Free toiletries

Self-catering

  • Electric kettle
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Hydronauts Diving Resort - Koh Tao Location

45/1 Moo 3 Koh Tao, Chalok Baan Kao Bay, Koh Tao, Thailand, 84360
Map view
45/1 Moo 3 Koh Tao, Chalok Baan Kao Bay, Koh Tao, Thailand, 84360
Nearby
Ko Tao
Assava Dive Resort
100 ft
Restaurants
Hammock Cafe Plaeyuan
1200 ft
22/5 Moo 3 Chalok Bankao
Yin Yang Restaurant
1300 ft
Sur
Rasta Restaurant
1300 ft
Restaurant
Sky Light
1400 ft
Chalok Baan Kao Bay
Oo Ok Mo Nat
1400 ft
Ao Chalok Baan Kao
Tree House Cafe Koh Tao
2400 ft
14/18 Moo 3
Koh Tao BBQ Buffet
3500 ft
Restaurant
Tukta Thai Food
3300 ft
10/1 M.3
Gecko Republic Jungle Cafe
3000 ft
11/2
Pizza Da Lorenzo
3000 ft
52/19 Moo 3
Explore Koh Tao
Local Highlights
Top Attractions
Activities
Dining
Entertainment
Chalok Baan Kao Bay
14 minutes' walk
Calm waters and scenic views make this a perfect spot for swimming and sunbathing. Ideal for families and relaxation.
Sai Nuan Beach
17 minutes' walk
Known for its crystal-clear waters, this beach is perfect for snorkeling and sunbathing, offering serenity and natural beauty.
Aow Leuk Bay
10 minutes' drive
A vibrant snorkeling spot with rich marine life. Its serene atmosphere is perfect for both relaxation and underwater adventures.
Shark Island
5 minutes' drive
Popular for diving and snorkeling, featuring a unique underwater rock formation and a chance to see blacktip reef sharks.
Diving and Snorkeling
5 minutes' drive
Exciting dive shops nearby offer gear rentals and guided tours. Experience Koh Tao's famous underwater beauty firsthand.
Yoga Classes
15 minutes' walk
Local studios provide yoga sessions with stunning views. A great option for those seeking relaxation and wellness.
Hammock Cafe Plaeyuan
5 minutes' walk
This cozy cafe offers Thai and international dishes. Signature dishes include fresh seafood and vegetarian options.
Yin Yang Restaurant
5 minutes' walk
Famous for its laid-back atmosphere, it serves delicious local specialties and has vegetarian-friendly options.
Local Bars and Nightlife
10 minutes' walk
Enjoy a lively atmosphere with frequent live music performances and themed nights, perfect for all ages and party lovers.
Koh Tao Leisure Park
15 minutes' walk
Family-friendly park featuring games and activities, ensuring fun for everyone. Ideal for both relaxation and entertainment.
Getting around
City Centre
Koh Tao6 min  ·  2.1 mi
Airports
Samui International Airport (USM)111 min  ·  45.6 mi
Chumphon Airport (CJM)548 min  ·  226.9 mi
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Property information and rules
Check-in
from 14:00-19:00
Check-out
from 08:00-11:00
Internet
Wireless internet is available in the hotel rooms for free.
Breakfast
A full breakfast is served at the price of THB 200 per person per day. 
Pets
Pets are not allowed.
Languages
English, German, Spanish, Czech, Burmese, Thai
Number of rooms:
29

Reviews and Ratings

Feedback about Hydronauts Diving Resort - Koh Tao from previous guests about their experience
Review score
Based on 419 verified reviews
7.9/10
Very good
83%
Recommend
Breakfast
9.1/10
Cleanliness
7.9/10
Comfort
8.0/10
Facilities
7.8/10
Free Wi-Fi
8.3/10
Location
8.9/10
Paid Wi-Fi
7.4/10
Staff
8.9/10
Value for money
8.1/10
Pros
Quiet bay
Ocean view
Water refill stations
Cons
Worn facilities
Cold shower
Guest reviews
based on 994 reviews
8.0/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
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Questions of the users
About Hydronauts Diving Resort - Koh Tao
Can you provide information about the WiFi quality in the female dorm? As I work remotely, a stable connection is essential for my booking.
20 February 2024
The WiFi in all Double and Triple Rooms is currently at a high standard. While improvements are ongoing for the Dorm rooms, the communal areas, including the restaurant and bar, offer strong WiFi connections.
What is the sleeping arrangement in the dorm rooms? I saw options with two beds, and I'd like to confirm.
12 July 2024
The female and male dorms feature configurations with two beds, either top or bottom bunk, except for the mixed dorm which has four beds.
Is there a shuttle service available to the ferry? Also, are the female dorms currently open for bookings?
5 March 2024
There is no free shuttle service to the ferry, but female dorms are available for guests seeking accommodations.
Are there discounts for accommodation if I sign up for a diving course?
7 August 2024
A 15% discount on accommodation is offered for guests taking courses with RAID diving.
How is the WiFi in the rooms? Is it strong enough for working or is there a good spot to work if needed?
15 November 2024
WiFi strength can vary by room, but it is consistently strong in communal areas such as the restaurant. Many guests currently working remotely find it suitable.
Is it convenient to walk to Shark Bay from the resort without a vehicle? How can I get to the pier?
29 April 2024
The walk from the property to Shark Bay is straightforward and takes about 5 to 10 minutes. Alternatively, motorbike rentals and taxis are available, costing around 300 baht.
Are there air conditioning units in the dormitory rooms?
13 January 2024
Unfortunately, dormitory rooms do not have air conditioning; they are equipped with fans instead.
Can I make arrangements to book a diving class ahead of my arrival at the resort?
22 September 2024
Arrangements for booking a diving class can be made easily on your arrival day without issues.
Is it possible to add an extra bed to a room during the booking process?
26 October 2024
This option is unfortunately not available for adding extra beds.
For beginner divers, what courses do you recommend for starting out?
19 December 2024
The RAID Try Dive is ideal for first-time divers, providing an introduction to scuba diving with guided experience without needing commitment to a full certification.

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