Solomon IslandsSolomon IslandsIsland

Santa Isabel Island

3,665 km² rising to 1,115 m out of the Solomon Sea.

When to go

Buala

N 20 km

Beaches

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

In numbers

3,665km²

Area

472km

Coastline

measured on a simplified outline

1,115m

Highest point

26,158

People

30°C

Warmest sea

January

1,605km

To the mainland

When to go to Santa Isabel Island

Best for the beach from January to May.

The sea is warmest in January (30 °C) and coolest in August (29 °C). You can swim comfortably all year (21 °C or more).

30°29°28°

Jan27

30°29°27°

Feb26

30°29°27°

Mar28

30°29°27°

Apr26

30°29°27°

May27

29°29°27°

Jun26

29°28°27°

Jul28

29°28°27°

Aug26

29°28°27°

Sep25

29°29°27°

Oct26

30°29°27°

Nov25

30°29°28°

Dec26

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 the Solomon Islands

Santa Isabel Island is an island in Solomon Islands. It belongs to Solomon Islands. It covers 3,665 km², with 472 km of coastline. Its highest point rises to 1,115 m. About 26,158 people live on it. The nearest mainland is 1,605 km away.

Getting there

Honiara International Airport (HIR)nearest airport with scheduled flights · 196 km in a straight line
1,605 km from the mainlanddistance to the nearest continental coast
From January to Maybest months to go (from 30 years of averages)

Plan the trip

Ferries, stays and things to do

Car hire in Solomon IslandsDiscover 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 Santa Isabel Island.

20beaches
1marinas

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

Santa Isabel Island in our other atlases

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

2beaches and covesCoastya

Beach with the warmest sea
29.9°C
Lupighopa Harbour
sea in the warmest month · according to Coastya

2 beaches

on Coastya, the beach atlas

Lupighopa Harbourcove29.9°C
Kesuo Covecove29.9°C

Open Coastya ↗

The shape of the land.

On average the island stands 185 m above the sea. 64 % of it is below 200 m.

22 %0–50 m
42 %50–200 m
31 %200–500 m
6 %500–1,000 m
<1 %1,000–2,000 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.

Santa Isabel Island3,665 km²

Mallorca3,685 km²

Crete8,286 km²

100 km

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

Towns on the island

Buala2,700 people

Month by month

The weather on the island.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Afternoon high (°C)	29	29	29	29	29	29	28	28	28	29	29	29
Night low (°C)	28	27	27	27	27	27	27	27	27	27	27	28
Sea (°C)	30	30	30	30	30	29	29	29	29	29	30	30
Rain (mm)	293	336	304	229	240	229	255	210	208	227	203	228
Wet days	27	26	28	26	27	26	28	26	25	26	25	26
Sun h/day	5.8	5.5	5.8	6.0	6.0	5.4	4.9	5.5	6.2	6.3	6.4	6.4
Wind (km/h)	15	17	15	13	14	18	22	21	19	16	14	13

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	+0.3	−0.1	+0.5	+0.2	+0.6	+0.9	+1.1	+1.0	+0.8	+0.9	+0.6	+0.4
2021	+0.4	+0.2	+0.4	+0.1	+0.1	+0.4	+0.6	+0.7	+0.8	+0.9	+0.6	+0.4
2022	+0.1	+0.4	+0.7	+0.4	+0.7	+0.8	+0.6	+1.0	+1.0	+0.9	+0.8	+0.6
2023	+0.4	+0.6	+0.4	+0.6	+0.7	+0.8	+0.6	+0.4	+0.5	+0.2	±0.0	−0.1
2024	+0.6	−0.1	+0.5	+0.7	+0.7	+0.9	+1.0	+0.6	+0.4	+0.6	+0.6	+0.6
2025	+1.0	+1.0	+0.9	+0.5	+0.7	+0.6	+0.9	+1.2	+1.1	+0.8	+0.7	+0.6

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

Rainforestt of Isabel Island — Grahamcole · CC BY-SA 4.0

Village in the interior of Santa Isabel Island — Grahamcole · CC BY-SA 4.0

Nearby

More islands nearby.

Vangunu

Solomon Islands515 km²1,056 m132 km away

Savo Island

Solomon Islands30 km²485 m154 km away

New Georgia

Solomon Islands2,064 km²860 m169 km away

Tulagi

Solomon Islands2.1 km²88 m175 km away

Guadalcanal

Solomon Islands5,302 km²2,335 m222 km away

Kolombangara

Solomon Islands690 km²1,768 m215 km away

Malaita

Solomon Islands4,307 km²1,435 m245 km away

Choiseul Island

Solomon Islands3,119 km²891 m252 km away

About these numbers

Names, area, population	Wikidata (Q713182) · CC0
Outline	Natural Earth · public domain
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	Coastya — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST

Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.

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