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Dive Onda

A highly regarded scuba diving center on Koh Tao offering courses and dives for all experience levels.

5.0(390)
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Hours
Daily 10:00–20:00

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Details

Address
No. 9 T, 33, ตำบล เกาะเต่า koh Tao, สุราษฎร์ธานี 84360, Thailand
Website
diveonda.com
Full opening hours
Monday10:00–20:00
Tuesday10:00–20:00
Wednesday10:00–20:00
Thursday10:00–20:00
Friday10:00–20:00
Saturday10:00–20:00
Sunday10:00–20:00

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Why go, and how to do it well

Dive Onda is a scuba diving operation based on Koh Tao, one of Thailand's most celebrated islands for underwater exploration. The island sits within the Gulf of Thailand and is renowned for its clear waters, abundant marine life, and relatively accessible dive sites, making it a natural home for a dive center catering to beginners and experienced divers alike. Dive Onda has built a strong reputation among visitors seeking quality instruction and guided dive experiences in this environment.

Guests can expect a welcoming, professionally run setup with staff who are attentive to diver comfort and safety. Whether completing an introductory course or heading out on guided open-water dives, visitors consistently note the quality of the instruction and the personalized attention offered. The center's focus appears to be on creating a positive, confidence-building experience for divers at every level.

Written by Mac Kiley · Updated Sep 2026

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Best rated within a 9-minute walk

Around here, on foot

Well-rated places within a short walk of Dive Onda, nearest first. Minutes are at an easy pace in the heat.

Experience hints

Hidden gem
Visitor favorite

Pair your visit. After Dive Onda, round out your day in Koh Tao with contrasting stops nearby.

No. 9 T, 33, ตำบล เกาะเต่า koh Tao, สุราษฎร์ธานี 84360, Thailand

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Tips for Visiting Activities & Tours

Do Outdoor Activities in the Morning

Heat and humidity peak from noon to 3 PM. Schedule jungle treks, cycling tours, and outdoor cooking classes for early morning. Water activities are more flexible since you're in and out of the sea.

Check Operator Safety Records

For adventure activities (zip-lining, bungee jumping, diving), check recent reviews specifically mentioning equipment condition and safety briefings. Thailand's regulation varies — reputable operators will have insurance and certified guides.

Dive Onda: Frequently Asked Questions

Is Dive Onda worth visiting?

Dive Onda holds a 5.0★ rating from 390 Google reviews, placing it among the highest-rated activities & tours in Koh Tao.

What are the opening hours of Dive Onda?

Dive Onda is typically open 10:00–20:00 — see the full day-by-day schedule in the location info on this page. Hours can change on Thai public holidays, so check ahead for holiday visits.

When is the best time to visit Dive Onda?

The best months to visit Koh Tao are March – September (calmest water, best visibility), with the most reliable weather. Crowds peak in December – January & July – August — going early in the day usually means fewer people. Months to think twice about: November (monsoon swell peaks).

Where is Dive Onda located?

Dive Onda is at No. 9 T, 33, ตำบล เกาะเต่า koh Tao, สุราษฎร์ธานี 84360, Thailand, in Koh Tao. Getting around Koh Tao: Walking around Sairee and Mae Haad; Motorbike rental (฿200–300/day; some concrete roads are extremely steep).

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