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United States United StatesLesser AntillesIsland

Saint Croix

218 km² of land in the Caribbean Sea.

When to go

Saint Croix seen from space, cut out from the sea (Sentinel-2)
Saint CroixChristiansted
N 5 km

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

In numbers

218km²

Area

133km

Coastline

354m

Highest point

Mount Eagle

41,004

People

29°C

Warmest sea

September

775km

To the mainland

When to go to Saint Croix

Best for the beach from December to April.

The sea is warmest in September (29 °C) and coolest in February (26 °C). You can swim comfortably all year (21 °C or more).

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.

One of the main islands of the Virgin Islands of the United States

Saint Croix is an island in United States. It belongs to Lesser Antilles. It covers 218 km², with 133 km of coastline. Its highest point, Mount Eagle, rises to 354 m. About 41,004 people live on it. The nearest mainland is 775 km away.

Read more on Wikipedia

Getting there

Plan the trip

Ferries, stays and things to do

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 Saint Croix.

  • 73beachesAltona Lagoon Beach, Buccaneer Beach, Cormorant Beach and 70 more
  • 1viewpoints
  • 1lighthousesHams Bluff Light
  • 1ferry terminalsGallows Bay Ferry Dock
  • 2marinasSalt River Marina, Green Cay Marina
  • 39named peaksMount Eagle, Blue Mountain, Bodkin Hill and 36 more
  • 2castles and fortsFort Frederik, Fort Christiansværn
  • 37ruins and archaeological sitesRustoptwist Sugar Mill, Cotton Valley Windmill, Estate Little Princess and 34 more
  • 1dive centresNep2une Scuba Diving
  • 1campsitesCruise Ship
  • 12hotels, guesthouses and apartments
  • 34restaurants, 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

Saint Croix in our other atlases

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

  • 26beaches and covesCoastya
  • 1lakeLakeyas
  • Largest lake

    0.48km²

    Westend Saltpond

    according to Lakeyas

  • Warmest lake

    28.9°C

    Westend Saltpond

    surface water, warmest month · according to Lakeyas

  • Beach with the warmest sea

    29.0°C

    Carlton Beach

    sea in the warmest month · according to Coastya

26 beaches

on Coastya, the beach atlas

  1. Cathys Fancy Beach28.9°C
  2. Pelican Cove Beach28.9°C
  3. Tamarind Reef Beach28.9°C
  4. Cormorant Beach28.9°C
  5. Sonofa Beach29.0°C
  6. Buccaneer Beach28.9°C
  7. Cay Beach29.0°C
  8. Shoys Beach28.9°C

18 more on CoastyaOpen Coastya ↗

1 lakes

on Lakeyas, the lake atlas

  1. Westend Saltpond0.48km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 63 m above the sea. 96 % of it is below 200 m.

  • 56 %0–50 m
  • 41 %50–200 m
  • 4 %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.

Saint Croix218 km²
Malta247 km²
Madeira Island742 km²

20 km

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

Towns on the island

  • Saint Croix50,601 people
  • Christiansted1,866 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)272626272828292929292827
Night low (°C)262626262728282828282727
Sea (°C)272626272828282929292828
Rain (mm)352432468365729611512110552
Wet days121010121817192223222015
Sun h/day8.39.19.39.48.88.99.19.18.47.87.57.8
Wind (km/h)242422212224252318192125

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.

JanFebMarAprMayJunJulAugSepOctNovDec
2020+0.8+0.8+0.7+0.8+0.5+0.5+0.8+0.4+0.7+0.3±0.0+0.3
2021+0.2+0.5+0.2±0.0+0.1−0.1+0.2±0.0+0.6+0.6+0.4+0.5
2022+0.4+0.4+0.3±0.0±0.0+0.1+0.2+0.2+0.2+0.1−0.2−0.1
2023+0.1+0.1+0.2+0.3+0.6+0.8+0.9+0.9+1.1+1.1+0.8+0.6
2024+0.7+0.9+1.1+1.2+1.6+1.6+1.4+1.0+1.2+1.6+1.1+1.0
2025+1.0+1.0+1.0+0.6+0.6+0.1+0.5+0.6+0.6+0.7+0.4+0.5

+1 warmer than usual −1 cooler than usual

Photos

Seen by visitors.

About these numbers

Names, area, populationWikidata (Q642481) · CC0
Outline© OpenStreetMap contributors · ODbL
Sea temperatureNOAA OISST v2.1 · 1991–2020
ClimateNASA POWER · 1991–2020
Relief, 3D modelCopernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA
Beaches, ports, lighthouses, trails© OpenStreetMap contributors · ODbL
TownsGeoNames · CC BY 4.0
ImagesEOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons
Beaches, mountains, lakes and waterfallsCoastya, Lakeyas — Wikidata · CC0; © OpenStreetMap contributors · ODbL; GeoNames · CC BY 4.0; NOAA OISST; HydroLAKES (Messager et al. 2016) · CC BY 4.0, LakeTEMP (Korver et al. 2024) · CC BY 4.0

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

The family

Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?

Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.

beachesCoastyaFind your beach: sea temperature, sun and swimming month by month.Visit
lakesLakeyasEvery lake on Earth: water temperature, ice, depth and the shore.Coming soonVisit
mountainsPeakyasEvery summit in 3D: summit weather, the 0 °C line, huts and trails.Visit
waterfallsCascadyasEvery waterfall: height, flow month by month and when it roars.Coming soonVisit
islandsIslandyasEvery island from the sea up: size, sea temperature, ferries and 3D.You are here
riversRiveryasEvery river from source to sea: the journey, the flow and the basin in numbers.Visit
canyonsCanyonyasEvery canyon cut to scale: depth to the floor, rim and floor temperatures, trails and viewpoints.Coming soonVisit