ChinaIsland

Zhoushan Island

513 km² of land in the East China Sea.

ZhoushanShenjiamenMamu

Satellite: Sentinel-2 cloudless 2016 by EOX (CC BY 4.0). Outline and points © OpenStreetMap contributors / Natural Earth. North up.

In numbers

513km²

Area

161km

Coastline

477m

Highest point

440,000

People

27°C

Warmest sea

August

5km

To the mainland

When to go to Zhoushan Island

Best for the beach from July to October.

The sea is warmest in August (27 °C) and coolest in February (9 °C). Comfortable swimming (21 °C or more): from June to October.

10°9°5°

Jan10

9°10°5°

Feb10

10°13°8°

Mar14

14°17°12°

Apr13

18°22°17°

May13

22°25°22°

Jun17

25°29°26°

Jul14

27°30°26°

Aug16

26°27°24°

Sep13

23°22°19°

Oct8

19°18°14°

Nov10

14°12°8°

Dec9

Sea temperature (the water level) Air: night low to afternoon high Wet days Best months

Averages 1991–2020. Sea: NOAA OISST, the water within 35 km of the coast. Air, rain and sun: NASA POWER. Best months weigh warm afternoons (23–30 °C), sea of 24 °C or more and few wet days.

Island in People's Republic of China

Zhoushan Island is an island in China. It covers 513 km², with 161 km of coastline. Its highest point rises to 477 m. About 440,000 people live on it. The nearest mainland is 5 km away.

Getting there

Zhoushan Putuoshan International Airport (HSN)nearest airport with scheduled flights · 26 km in a straight line
Ferries8 ferry terminals on the island
5 km from the mainlanddistance to the nearest continental coast
From July to Octoberbest months to go (from 30 years of averages)

Plan the trip

Ferries, stays and things to do

Car hire in ChinaDiscover CarsSee

Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.

On the island

What you find on Zhoushan Island.

1beaches
8ferry terminals
66named peaksnainzi and 65 more
1waterfalls
3ruins and archaeological sites
1campsites
17hotels, guesthouses and apartments
38restaurants, cafés and bars

Counted in OpenStreetMap, the map anyone can edit, inside the island's outline. A low number may only mean nobody has mapped it yet.

Cross-checked with our atlases

Zhoushan Island in our other atlases

Everything Coastya, Peakyas, Lakeyas and Cascadyas know about what lies inside Zhoushan Island, each with its own numbers.

5mountainsPeakyas
1lakeLakeyas

Largest lake
0.57km²
Hongqiao Shuiku
according to Lakeyas
Warmest lake
29.4°C
Hongqiao Shuiku
surface water, warmest month · according to Lakeyas

5 mountains

on Peakyas, the mountain atlas

Zhongtoushan Gang
Mamu Shan
Duntou Shan
Huangyang Jian
Huangyang Shan

Open Peakyas ↗

1 lakes

on Lakeyas, the lake atlas

Hongqiao Shuiku0.57km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 65 m above the sea. 92 % of it is below 200 m.

59 %0–50 m
33 %50–200 m
8 %200–500 m

Share of the island's area in each altitude band, from the Copernicus DEM (30 m, read at 30–240 m on large islands).

Size, for real

Next to islands you may know.

Zhoushan Island513 km²

Madeira Island742 km²

Tenerife2,038 km²

20 km

All outlines drawn to the same scale (Natural Earth and OpenStreetMap).

Towns on the island

Zhoushan882,932 people
Shenjiamen95,433 people
Mamu2,666 people

Month by month

The weather on the island.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Afternoon high (°C)	9	10	13	17	22	25	29	30	27	22	18	12
Night low (°C)	5	5	8	12	17	22	26	26	24	19	14	8
Sea (°C)	10	9	10	14	18	22	25	27	26	23	19	14
Rain (mm)	74	84	108	106	129	224	129	176	160	96	85	71
Wet days	10	10	14	13	13	17	14	16	13	8	10	9
Sun h/day	2.5	2.6	3.8	4.5	4.5	3.3	6.3	6.2	4.4	4.5	3.2	3.1
Wind (km/h)	20	19	18	17	16	15	18	18	19	20	19	21

Averages 1991–2020 for the ~55 km NASA POWER cell over the island; the sea from NOAA OISST.

Recent years

Warmer and cooler years at sea.

Each month's sea temperature compared with its 1991–2020 average, in degrees.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2020	+1.4	+1.0	+1.3	+1.2	+0.9	+1.2	−0.4	+0.6	+0.6	−0.3	+0.9	+0.9
2021	−0.5	+1.4	+2.2	+1.7	+1.3	+1.3	+0.2	+0.3	+1.9	+2.5	+1.2	+1.8
2022	+2.1	+1.2	+1.9	+1.7	+0.5	+0.5	+1.8	+0.9	+0.4	+0.2	+1.3	+0.3
2023	+0.6	+0.5	+0.7	+1.1	−0.1	+0.3	+0.8	+0.9	+1.5	+1.4	+1.5	+1.0
2024	+0.7	±0.0	−0.9	+0.3	+0.1	+0.7	+0.4	+1.1	+2.5	+1.8	+1.0	+0.2
2025	+1.2	+1.0	+1.1	+1.0	+0.7	+0.8	+1.2	+1.4	+2.3	+3.3	+0.9	+2.0

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Dinghai, Zhoushan, Zhejiang, China - panoramio — Han Lei · CC BY-SA 3.0

Dinghai Seafront — Maeshima hiroki · CC BY-SA 3.0

Nearby

More islands nearby.

Putuoshan

China12 km²288 m24 km away

About these numbers

Names, area, population	Wikidata (Q1774076) · CC0
Outline	© OpenStreetMap contributors · ODbL
Sea temperature	NOAA OISST v2.1 · 1991–2020
Climate	NASA POWER · 1991–2020
Relief, 3D model	Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails	© OpenStreetMap contributors · ODbL
Towns	GeoNames · CC BY 4.0
Images	EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfalls	Peakyas, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0