Tokashiki Island Island

Ryukyu island with coral reefs and beaches

Tokashiki Island, part of the Kerama group off Okinawa, attracts snorkelers and divers with clear reefs and sea turtles, plus sandy beaches and short island hikes between fishing villages.

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Coast of Aharen, Tokashiki Island, Okinawa, Japan (3) - October 2015.jpg
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National Okinawa Youth Friendship Center (国立沖縄青少年交流の家) - panoramio.jpg

Tokashiki Island at a Glance#

Address: Tokashiki-jima, Shimajiri District, Okinawa Prefecture, Japan

Website: https://www.tokashiki.jp/

Admission: Ferries from Naha ~¥2,000-¥4,000 one-way depending on speed, day-trip boats and charter options vary

About Tokashiki Island#

Tokashiki Island is one of the Kerama Islands in Okinawa Prefecture, Japan, known for clear sea water, coral reefs and popular beaches used for snorkeling and diving.

The island’s shoreline includes sandy bays and sheltered beaches with coral reefs close to shore, making it a frequent day-trip destination from Okinawa’s main island. Marine activities and beach recreation are the island’s primary attractions.

Small settlements and basic visitor facilities are concentrated near the principal beaches; local operators provide snorkeling and boat trips during the main tourist season.

Tokashiki lies to the west of Okinawa’s main island within Okinawa Prefecture and is commonly reached by ferry from Naha; it forms part of the Kerama archipelago and marine protected area.

  • Ferry connections: Regular ferries and high-speed boats operate from Naha to Tokashiki, with crossing times from about 35 to 60 minutes depending on vessel type and schedule.
  • Marine park: The island is within the Kerama Islands and is part of the Kerama National Park marine area, noted for clear water and coral communities.

What to See#

  • Aharen Beach: Aharen Beach is the island’s main developed beach with shallow, sandy shoreline and facilities for visitors; it is the primary landing and recreation area for tourists.
  • Tokashiku Beach: Tokashiku (Tokashiku) Beach on the island’s west side is known for very clear water and nearby coral suitable for snorkeling and freediving.

How to Get to Tokashiki Island#

From Naha: Regular ferries and high-speed boats depart from Tomari Port (Naha). High-speed ferries take about 35-50 minutes; conventional ferries take around 70-90 minutes. Ferries run more frequently in summer and on weekends. From the port in Tokashiki, Aharen Beach is a short taxi ride or a 15-20 minute walk.

Tips for Visiting Tokashiki Island#

  • Catch the earliest ferry from Tomari Port (Naha) to avoid afternoon wind and day-trip crowding.
  • Bring a mask and snorkel - waters off Aharen Beach are clearer at low wind; boats to neighboring uninhabited islands leave from Aharen.
  • If staying overnight, book a minshuku/guesthouse in advance in high season (July-August).
  • Walk the ridge behind Aharen at golden hour for sparse viewpoints; the road network is short but steep - taxis are limited after sunset.

Best Time to Visit Tokashiki Island#

Best visited in late spring through early autumn for swimming and diving; shoulder seasons offer fewer crowds.

Summer (June-August)
June-August · 25-32°C
Warm sea water, peak snorkeling and diving season; expect ferries full on weekends and local festivals in July/August.
Shoulder (April-May, September-October)
Apr-May, Sep-Oct · 20-28°C
Quieter, pleasant sea temperatures, good for hiking and beach walks; some dive operators still run trips.
Winter (Nov-Mar)
Nov-Mar · 15-20°C
Cooler, many services reduce schedule; good for solitary shoreline walks and birdwatching.

Weather & Climate near Tokashiki Island#

Climate

Tokashiki Island's climate is classified as Humid Subtropical - Humid Subtropical climate with hot summers (peaking in July) and mild winters (coldest in February). Temperatures range from 14°C to 30°C. Heavy rainfall (2192 mm/year), wettest in August.

Air Quality: AQI 51 Moderate
Best Time to Visit
JulyOctoberAugust
Temperature & Rainfall
Temperature Range
32°
Warmest Month
9°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Acceptable 15° - 19° 17° 132 mm overcast 75% 5.0 m/s 0.7 moderate 10.6h
February Acceptable 15° - 18° 16° 131 mm overcast 77% 5.1 m/s 1.0 high 11.1h
March Acceptable 16° - 20° 18° 179 mm overcast 77% 4.7 m/s 1.3 high 11.9h
April Good 19° - 23° 21° 186 mm overcast 80% 4.6 m/s 1.5 very high 12.7h
May Good 21° - 25° 23° 243 mm overcast 84% 4.3 m/s 1.8 very high 13.3h
June Good 24° - 28° 26° 249 mm overcast 88% 4.2 m/s 2.1 extreme 13.6h
July Very Good 26° - 30° 32° 179 mm partly cloudy 83% 4.4 m/s 2.5 extreme 13.5h
August Very Good 26° - 30° 31° 256 mm partly cloudy 82% 5.0 m/s 2.3 extreme 12.9h
September Very Good 25° - 29° 27° 218 mm partly cloudy 80% 4.4 m/s 1.9 very high 12.2h
October Very Good 23° - 26° 24° 174 mm partly cloudy 77% 4.9 m/s 1.4 high 11.4h
November Very Good 20° - 23° 22° 134 mm overcast 76% 5.2 m/s 0.9 moderate 10.7h
December Good 17° - 20° 19° 111 mm overcast 75% 4.6 m/s 0.7 moderate 10.4h

Nearby Attractions to Tokashiki Island#