Koh Tao vs Koh Yao Yai
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Copyright of the Tourism Authority of Thailand (TAT)
A small advantage for beaches
Small coves and sandy bays suit swimming and snorkelling, though some beaches are compact or tied to particular resorts.
A quieter setting
Quiet coastal stays and an unhurried village setting are central to the island experience, with local variation around piers and resorts.
Side by side
What feels different
Our editorial assessments · Select a factor to see how we scored each place.
Why we rate Koh Tao 8/10
Small coves and sandy bays suit swimming and snorkelling, though some beaches are compact or tied to particular resorts.
Why we rate Koh Yao Yai 7/10
Several appealing beach bases and Laem Had provide strong coastal appeal, with substantial tidal and location differences.
What we assess
Beach appeal, convenient access and variety during a beach-focused stay, within the destination itself.
Why we rate Koh Tao 8/10
Granite headlands, clear-water bays and viewpoints create a memorable island landscape.
Why we rate Koh Yao Yai 8/10
Green island landscapes, coastal views and the Laem Had sandbar provide a strong natural setting.
What we assess
The visual impact of natural surroundings and how central those landscapes are to a typical stay.
Why we rate Koh Tao 2/10
Koh Tao’s visitor offer centres on diving and beach life, with few major cultural or historic sights.
Why we rate Koh Yao Yai 5/10
Village and fishing-community outings offer worthwhile local context, with less depth of major heritage sights than cultural cities.
What we assess
The variety, depth and practical access to historic places, temples, architecture, traditions and cultural experiences during a typical stay.
Why we rate Koh Tao 6/10
Thai meals and international café food are plentiful in the main bays, with less choice in quieter corners.
Why we rate Koh Yao Yai 6/10
Village food and several resort restaurants provide useful choice, though dining is dispersed rather than concentrated in a large town.
What we assess
Food quality, variety, distinctive local cooking and how readily visitors can find good places to eat, regardless of price.
Why we rate Koh Tao 5/10
Beach bars and dive-town venues give you options after dark, but the scene is smaller and less varied than larger islands.
Why we rate Koh Yao Yai 2/10
Resort bars and quiet coastal evenings are available, with few late-night options beyond the main resort venues.
What we assess
The choice, variety and liveliness of evening venues, their opening hours and how easily you can enjoy a typical night out.
Why we rate Koh Tao 6/10
Calmer bays are available, while the main beaches and dive centres stay active through the day and evening.
Why we rate Koh Yao Yai 9/10
Quiet coastal stays and an unhurried village setting are central to the island experience, with local variation around piers and resorts.
What we assess
How easily you can enjoy a peaceful stay, considering traffic, nightlife noise, crowds and practical quieter bases.
Why we rate Koh Tao 8/10
Snorkelling and dive boats reach nearby reefs and Nang Yuan, with ferry links to the other Gulf islands.
Why we rate Koh Yao Yai 8/10
Arranged trips reach nearby islands and Phang Nga Bay, with weather, group size and the chosen base affecting convenience.
What we assess
The variety of worthwhile sea-island trips, convenient departures, journey times and flexibility under normal operating conditions.
Why we rate Koh Tao 5/10
Taxis, boat taxis and tours can replace a scooter, but steep roads and dispersed bays make independent movement harder.
Why we rate Koh Yao Yai 6/10
A chosen resort base works with arranged transfers and taxis; exploring the spread-out island requires planning and extra rides.
What we assess
Freedom to explore without renting a scooter, using walking, public transport, taxis, tuk-tuks, ride-hailing or boats; transport price is assessed separately.
Why we rate Koh Tao 6/10
Guesthouses and local restaurants keep a modest trip possible, while dive courses, transfers and island transport add cost.
Why we rate Koh Yao Yai 6/10
Simple bungalows and village food are available, but the smaller budget selection and boat or road transfers add costs.
What we assess
How easily you can enjoy a typical stay on a modest budget, including simple accommodation, food, realistic transport and characteristic activities.
Scores out of 10 · Higher means more of that characteristic About these scores
How to read the scale
Scores run from 0 to 10 and describe how strongly a destination offers each characteristic.
Higher does not always mean better
A higher nightlife score means a livelier scene. A higher quietness score means a calmer atmosphere. The right balance depends on your trip.
Close scores mean similar experiences
Small differences should not decide your trip on their own.
Koh Tao
Choose Koh Tao if...
- You want diving or snorkelling to be a big part of your holiday.
- You like small bays, coastal viewpoints and clear-water boat outings.
- You want a sociable island base with cafés, casual bars and a strong diving community.
The trade-off
The bays are separated by hills, so exploring beyond your stay area usually needs taxis, boat taxis or tours. A quieter cove can also put you farther from the main restaurants and evening scene.
Koh Yao Yai
Choose Koh Yao Yai if...
- Laem Had sandbar and coastal scenery
- Local village and fishing-community context
- Resort stays and arranged water-based outings
The trade-off
The island is dispersed, beaches are tide-sensitive, and a resort transfer does not provide effortless transport everywhere else.
Plan your trip
When to go
See how temperature, rainfall and travel conditions change through the year. Select a month to focus your comparison.
| Factor | Koh Tao | Koh Yao Yai |
|---|---|---|
| Average daytime high | 29°C | 33°C |
| Monthly Rainfall | 127 mm | 50 mm |
| Rainy days | 11.1 | 5.6 |
| Crowds | High | High |
| Stay prices | High | High |
| Sea conditions | Variable | Calm |
| Average daytime high | 29°C | 34°C |
| Monthly Rainfall | 64 mm | 24 mm |
| Rainy days | 5.6 | 3.4 |
| Crowds | High | High |
| Stay prices | High | High |
| Sea conditions | Calm | Calm |
| Average daytime high | 30°C | 34°C |
| Monthly Rainfall | 116 mm | 81 mm |
| Rainy days | 5.9 | 7.5 |
| Crowds | High | High |
| Stay prices | High | High |
| Sea conditions | Calm | Calm |
| Average daytime high | 32°C | 34°C |
| Monthly Rainfall | 83 mm | 135 mm |
| Rainy days | 8.1 | 11.7 |
| Crowds | Moderate | Moderate |
| Stay prices | Typical | Typical |
| Sea conditions | Calm | Variable |
| Average daytime high | 33°C | 33°C |
| Monthly Rainfall | 132 mm | 237 mm |
| Rainy days | 14 | 18.9 |
| Crowds | Moderate | Low |
| Stay prices | Typical | Low |
| Sea conditions | Variable | Variable |
| Average daytime high | 33°C | 33°C |
| Monthly Rainfall | 134 mm | 249 mm |
| Rainy days | 13.1 | 18.6 |
| Crowds | Moderate | Low |
| Stay prices | Typical | Low |
| Sea conditions | Variable | Rough |
| Average daytime high | 32°C | 32°C |
| Monthly Rainfall | 117 mm | 240 mm |
| Rainy days | 14.3 | 19.1 |
| Crowds | High | Low |
| Stay prices | High | Low |
| Sea conditions | Variable | Rough |
| Average daytime high | 32°C | 32°C |
| Monthly Rainfall | 102 mm | 309 mm |
| Rainy days | 14.5 | 19.5 |
| Crowds | High | Low |
| Stay prices | High | Low |
| Sea conditions | Variable | Rough |
| Average daytime high | 32°C | 32°C |
| Monthly Rainfall | 118 mm | 350 mm |
| Rainy days | 15 | 21.7 |
| Crowds | Moderate | Low |
| Stay prices | Typical | Low |
| Sea conditions | Variable | Rough |
| Average daytime high | 31°C | 32°C |
| Monthly Rainfall | 295 mm | 336 mm |
| Rainy days | 19.3 | 22.7 |
| Crowds | Low | Low |
| Stay prices | Low | Low |
| Sea conditions | Variable | Rough |
| Average daytime high | 30°C | 32°C |
| Monthly Rainfall | 445 mm | 178 mm |
| Rainy days | 18.7 | 15.9 |
| Crowds | Low | Moderate |
| Stay prices | Low | Typical |
| Sea conditions | Rough | Variable |
| Average daytime high | 29°C | 32°C |
| Monthly Rainfall | 263 mm | 82 mm |
| Rainy days | 14.2 | 10.3 |
| Crowds | High | High |
| Stay prices | High | High |
| Sea conditions | Variable | Calm |
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average daytime high | ||||||||||||
| Koh Tao |
29°C
|
29°C
|
30°C
|
32°C
|
33°C
|
33°C
|
32°C
|
32°C
|
32°C
|
31°C
|
30°C
|
29°C
|
| Koh Yao Yai |
33°C
|
34°C
|
34°C
|
34°C
|
33°C
|
33°C
|
32°C
|
32°C
|
32°C
|
32°C
|
32°C
|
32°C
|
| Monthly Rainfall | ||||||||||||
| Koh Tao |
127 mm
|
64 mm
|
116 mm
|
83 mm
|
132 mm
|
134 mm
|
117 mm
|
102 mm
|
118 mm
|
295 mm
|
445 mm
|
263 mm
|
| Koh Yao Yai |
50 mm
|
24 mm
|
81 mm
|
135 mm
|
237 mm
|
249 mm
|
240 mm
|
309 mm
|
350 mm
|
336 mm
|
178 mm
|
82 mm
|
| Rainy days | ||||||||||||
| Koh Tao | 11.1 | 5.6 | 5.9 | 8.1 | 14 | 13.1 | 14.3 | 14.5 | 15 | 19.3 | 18.7 | 14.2 |
| Koh Yao Yai | 5.6 | 3.4 | 7.5 | 11.7 | 18.9 | 18.6 | 19.1 | 19.5 | 21.7 | 22.7 | 15.9 | 10.3 |
| Crowds | ||||||||||||
| Koh Tao | High | High | High | Moderate | Moderate | Moderate | High | High | Moderate | Low | Low | High |
| Koh Yao Yai | High | High | High | Moderate | Low | Low | Low | Low | Low | Low | Moderate | High |
| Stay prices | ||||||||||||
| Koh Tao | High | High | High | Typical | Typical | Typical | High | High | Typical | Low | Low | High |
| Koh Yao Yai | High | High | High | Typical | Low | Low | Low | Low | Low | Low | Typical | High |
| Sea conditions | ||||||||||||
| Koh Tao | Variable | Calm | Calm | Calm | Variable | Variable | Variable | Variable | Variable | Variable | Rough | Variable |
| Koh Yao Yai | Calm | Calm | Calm | Variable | Variable | Rough | Rough | Rough | Rough | Rough | Variable | Calm |
Temperatures are historical average daytime highs, not the highest temperatures you might experience. Rainfall and rainy days are monthly averages, not a forecast. A rainy day need not mean rain all day.
Stay prices are relative to each destination’s usual rates. Holidays can bring extra crowds and higher prices. Sea conditions vary by beach and day; check local conditions before boat trips.
Koh Tao: Thai Meteorological Department — KO SAMUI, 1991–2020.
Koh Yao Yai: Thai Meteorological Department - PHUKET (48564), 1991-2020.