View Southeast Asia on the mapLively beach towns such as Chaweng and Lamai coexist with quiet, fishing-village-like areas in the south. Resorts have been layered onto a former coconut-growing island, and prices range very widely, from luxury villas to backpacker lodgings.

Ko Samui

Ko Samui · Thailand · View on map

A resort island in the Gulf of Thailand, the country's third-largest by area, with palm groves and continuous white-sand beaches. Without a deep-water berth, cruise ships anchor offshore and passengers go ashore by tender.

From port to town

Model plan 1 (Japanese)

View on map

Ko Samui · Map: Natural Earth (overview)

Port highlights

A resort island of about 70,000

Population

A tropical monsoon climate that is hot year-round. Unlike Thailand's west coast, the rainy season arrives later: October to December is wettest, while February to April is dry with continued sunny weather.

Climate

Thai (English is understood in tourist areas)

Language

Thai baht (THB). Cash is required at food stalls and markets.

Currency

February to April (dry season with calm seas). October to December is the rainy season, with a risk of cancelled sailings

Best time to visit

Local food

Southern-style curry made with coconuttom yum goonggrilled seafoodand island coconut juice

Sights

Golden Buddha at Big Buddha (Wat Phra Yai)Chaweng Beach and night marketNa Muang WaterfallDay boat trip to Ang Thong Marine National ParkWeekend market at Fisherman's Village

Monthly average high / low temperatures

29°

24°Jan

29°

25°Feb

31°

25°Mar

32°

26°Apr

33°

26°May

33°

25°Jun

32°

25°Jul

32°

25°Aug

32°

25°Sep

31°

24°Oct

30°

24°Nov

29°

24°Dec

Unit: °C · Calculated from NOAA GHCN-Daily station observations · Period: 1991–2020 · Station: KO SAMUI · about 14.8 km from port · Last checked: Oct 3, 2026 · A guide for choosing your travel month.

Local prices for travelers

Cheaper than Tokyo

Compared with Tokyo, Japan (median of items)63 (Tokyo = 100)

Compared with Tokyo, water, coffee, meals and beer are somewhat cheaper; a Big Mac is somewhat more expensive.

THB 12.50

Water 500 ml

THB 80.00

Coffee

THB 100.00

Inexpensive meal

THB 85.00

Local beer

THB 135.00

Big Mac

Prices in Ko Samui. · Amounts in the recorded local currency. No currency conversion applied. · Last checked: Oct 2026 (partly estimated) · Sources: Shop and menu prices · The Economist, Big Mac Index (CC BY 4.0)

Getting there from Japan

USM

Samui International Airport

Nearest airport

Airport name: OurAirports

About 14 km from airport to port (straight-line distance)

Calculated from OurAirports coordinates

Airport to port (approx.)

B — One connection

Ease of access

Access from Japan: A = direct flight / B = one connection / C = two or more connections (indicative)

Itineraries calling here

Southeast AsiaOct 2026 – Dec 2028

12-Night Southeast Asia Cruise from Laem Chabang (Bangkok) to Bali (Benoa)

Viking Neptune/ Viking Ocean Cruises

Laem Chabang (Bangkok)›Laem Chabang (Bangkok)›Ko Samui›+6›Bali (Benoa)

Indicative fare

From $8,999.00

Price on the US site (USD, tax inclusion unknown; JPY is an estimate)

Fare level: Highest

12 nightsOne way · 8 ports of call

Fare checked for departure on Oct 28, 2027

Last checked Jul 22, 2026Details

Southeast AsiaDec 2026 – Mar 2027

14-Night Southeast Asia Cruise from Singapore

Diamond Princess/ Princess Cruises

Singapore›Ko Samui›Laem Chabang (Bangkok)›+4›Singapore

Indicative fare

From ¥250,432

(observed in JPY) · Price on the Japan site (JPY, excl. taxes)

Fare level: Lower

14 nightsRound trip · 6 ports of call

Fare checked for departure on Dec 19, 2026

Last checked Jul 22, 2026Details

Ocean Crossings & World VoyagesJan 2027

72-Night Ocean Crossings & World Voyages Cruise from Sydney (Australia) to Marseille

Costa Deliziosa/ Costa Cruises

Sydney (Australia)›Newcastle (Port of Tyne)›Cairns›+23›Marseille

Indicative fare

Fare in preparation

Fare level: Standard

72 nightsOne way · 25 ports of call

Last checked Oct 9, 2026Details

Ocean Crossings & World VoyagesFeb 2028

48-Night Ocean Crossings & World Voyages Cruise from Sydney (Australia) to Cape Town

Queen Anne/ Cunard Line

Sydney (Australia)›Brisbane›Airlie Beach›+13›Cape Town

Indicative fare

Fare in preparation

Fare level: Highest

48 nightsOne way · 15 ports of call

Last checked Oct 9, 2026Details

Ports in the same region

Find ports (Japanese)Cruises in Southeast Asia (Japanese)

Model plans in this region

Model plan 1 (Japanese)

Sources

Source unverified

Checked Jul 22, 2026

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