Main image

David Stanley from Nanaimo, Canada CC BY-SA 4.0 Wikimedia Commons

Ilhéu Bom Bom

Island

Ilhéu Bom Bom lies off Príncipe and hosts a small island resort; visitors come for beaches, snorkeling and short rainforest hikes on the nearby main island.

Ilhéu Bom Bom São ToméPríncipeIlhéu Bom Bom
In this guide

Ilhéu Bom Bom essentials

Website: bombomisland.com
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About Ilhéu Bom Bom

Ilhe9u Bom Bom is a small, forested islet off the north coast of Predncipe Island in the Autonomous Region of Predncipe, Se3o Tome9 and Predncipe. The islet is known for its sandy bays, fringing reef and a small resort that serves visitors seeking beach, reef and forest experiences.

Visitors commonly use the islet as a base for snorkeling, diving and short nature walks through remnant coastal forest, and boat transfers connect the islet to Predncipe’s main settlements. The islet lies a short boat ride from the main island and forms part of the marine and coastal environment around Predncipe.

  • Resort access: A small luxury eco-resort operates on the islet and provides the primary visitor accommodation and diving excursions; access is usually by boat from Predncipe.
Things to Do
When to Go

Best Time to Visit Ilhéu Bom Bom

June-September is the most stable for sea crossings and outdoor activities; shoulder seasons offer quieter stays.

Dry season
June-September · 24-28°C (75-82°F)
Drier weather and calmer seas, ideal for boat transfers and snorkeling.
Rainy season
October-May · 24-29°C (75-84°F)
More frequent showers but warm water; fewer tourists and lush vegetation.

Weather & Climate near Ilhéu Bom Bom

Climate

Tropical climate with consistently warm temperatures year-round. Temperatures range from 21°C to 30°C. Heavy rainfall (2050 mm/year), wettest in October.

Air Quality: AQI 54 Moderate
Best Time to Visit
JulyAugustJanuary
Temperature & Rainfall
Temperature Range
30°
Warmest Month
24°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Very Good 22° - 29° 26° 124 mm overcast 83% 1.8 m/s 1.7 very high 11.9h
February Very Good 23° - 30° 26° 116 mm overcast 83% 2.3 m/s 1.7 very high 12.0h
March Good 23° - 30° 27° 191 mm overcast 83% 2.1 m/s 1.8 very high 12.0h
April Good 23° - 30° 26° 243 mm overcast 83% 2.1 m/s 1.8 very high 12.0h
May Good 23° - 29° 26° 277 mm overcast 85% 2.1 m/s 1.7 very high 12.1h
June Good 22° - 28° 25° 104 mm overcast 83% 2.3 m/s 1.5 high 12.1h
July Very Good 21° - 27° 24° 41 mm overcast 83% 2.2 m/s 1.4 high 12.1h
August Very Good 21° - 27° 24° 57 mm overcast 83% 2.9 m/s 1.6 very high 12.1h
September Good 22° - 28° 25° 205 mm overcast 84% 2.4 m/s 1.8 very high 12.0h
October Good 22° - 28° 25° 368 mm overcast 86% 2.1 m/s 1.8 very high 12.0h
November Good 22° - 29° 25° 196 mm overcast 86% 2.0 m/s 1.7 very high 11.9h
December Good 22° - 29° 26° 128 mm overcast 85% 2.1 m/s 1.6 very high 11.9h
Getting There & Around

How to Get to Ilhéu Bom Bom

Reach Ilhéu Bom Bom by boat from Santo António (Príncipe). Transfers are typically organized by hotels on Príncipe - the boat ride is short (roughly 10-20 minutes depending on sea conditions). Santo António is served by flights from São Tomé and occasional regional flights.

Tips for Visiting Ilhéu Bom Bom

  • Take the short boat transfer from Santo António (Príncipe) - schedules depend on tides and the lodge operating on Ilhéu Bom Bom.
  • Snorkel the close reefs: the islet's protected waters are alive with reef fish and healthy coral patches.
  • Confirm reservations at the Bom Bom Island Resort in advance - the islet's small guest capacity fills during the high season.