Skip to content
islandyas
EN

Bahamas BahamasIsland

Rum Cay

76.9 km² of land in the Atlantic Ocean.

When to go

Rum Cay seen from space, cut out from the sea (Sentinel-2)
Port Nelson
N 2 km

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

In numbers

76.9km²

Area

63km

Coastline

6m

Highest point

53

People

29°C

Warmest sea

August

575km

To the mainland

When to go to Rum Cay

Best for the beach from December to April.

The sea is warmest in August (29 °C) and coolest in March (25 °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.

Island in the Bahamas

Rum Cay is an island in Bahamas. It covers 76.9 km², with 63 km of coastline. Its highest point rises to 6 m. About 53 people live on it. The nearest mainland is 575 km away.

Read more on Wikipedia

Getting there

  • Stella Maris Airport (SML)nearest airport with scheduled flights · 42 km in a straight line
  • 575 km from the mainlanddistance to the nearest continental coast
  • From December to Aprilbest months to go (from 30 years of averages)

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 Rum Cay.

  • 8beaches
  • 1hotels, guesthouses and apartments

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

Rum Cay in our other atlases

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

  • 1lakeLakeyas
  • Largest lake

    2.3km²

    Lake George

    according to Lakeyas

  • Warmest lake

    29.1°C

    Lake George

    surface water, warmest month · according to Lakeyas

1 lakes

on Lakeyas, the lake atlas

  1. Lake George2.3km²

Lakeyas is coming soonOpen Lakeyas ↗

The shape of the land.

On average the island stands 6 m above the sea. 100 % of it is below 200 m.

  • 100 %0–50 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.

Rum Cay77 km²
Santorini76 km²
Manhattan54 km²

10 km

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

Towns on the island

  • Port Nelson91 people

Month by month

The weather on the island.

JanFebMarAprMayJunJulAugSepOctNovDec
Afternoon high (°C)252525262728292929282726
Night low (°C)242424242627282828272625
Sea (°C)252525252628282929282726
Rain (mm)251817366562535972835430
Wet days7456121313141615118
Sun h/day6.98.18.99.58.69.29.79.58.37.06.97.0
Wind (km/h)232323222119222018212424

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+0.3+0.3+0.1+0.8+0.7+0.5+0.8+0.2+0.5+0.5+0.6+0.5
2021+0.5+0.7+0.8+0.6+0.4−0.2−0.2±0.0+0.6+0.4+1.0+1.1
2022+1.3+0.8+0.8+0.6+0.5+0.4+0.2+0.1+0.5+0.7+1.1+1.1
2023+1.3+1.1+0.9+0.7+0.5+0.3+1.0+1.1+1.0+1.1+1.0+1.0
2024+0.9+0.4+0.2−0.5+0.2+0.6+1.0+0.6+1.0+1.1+0.3−0.2
2025−0.4+0.4+0.8+0.3+0.1±0.0+0.1+0.5+0.8+0.5+0.1+0.6

+1 warmer than usual −1 cooler than usual

About these numbers

Names, area, populationWikidata (Q1859950) · 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 waterfallsLakeyas — 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

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.Visit