Why October Works
October is a rewarding time for a scuba diving holiday in Bonaire, Sint Eustatius and Saba. These three Dutch Caribbean islands offer very different underwater experiences, yet all combine warm seas with impressive marine life. The islands sit outside the main hurricane belt, making them an appealing choice when you want sunshine and reliable diving as autumn settles in the United Kingdom.
Sea temperatures are usually around 28°C, so most divers are comfortable in a lightweight wetsuit or rash vest. Visibility can be excellent, often reaching 20 metres or more, although conditions vary by site and weather. October may bring a few short showers, but they rarely spoil a full day underwater and the rain often passes quickly.
Bonaire Shore Diving
Bonaire is famous for easy shore diving, and October is a great month to explore its protected reefs. Many sites are clearly marked along the west coast, allowing you to hire a vehicle, load your equipment and choose your own timetable. Entry points range from gentle sandy slopes to rocky steps, with calm water and plenty to see close to shore.
Look out for parrotfish, angelfish, trumpetfish and patient green turtles moving over the coral. Night diving is another highlight, when octopus, lobster and sleeping reef fish become easier to spot. Bonaire’s freedom and relaxed pace suit experienced divers, while local dive centres can arrange guided trips and refresher sessions for beginners.
Sint Eustatius Underwater
Sint Eustatius, often known as Statia, offers a quieter and more adventurous feel. Its marine park protects reefs, wrecks and steep volcanic underwater landscapes. October waters can be wonderfully clear, and boat dives reveal slopes covered in sponges, hard corals and colourful tropical fish.
The island’s historic wrecks add character to a diving itinerary, while deeper sites may appeal to confident, qualified divers. Currents can vary, so it is sensible to follow local advice and dive with an experienced operator. Between dives, Statia’s peaceful atmosphere and striking volcanic scenery make a pleasant contrast to time in the water.
Saba’s Steep Reefs
Saba is renowned for dramatic pinnacles, underwater walls and some of the Caribbean’s most distinctive dive sites. The island’s protected marine park supports healthy coral and abundant life, with encounters that may include rays, turtles, reef sharks and large schools of fish. Boat diving is the norm, and trips are carefully planned around sea conditions.
October is a good time to combine Saba diving with a wider island adventure. When you are not underwater, you can walk forested trails, enjoy panoramic views and discover the island’s famously welcoming community. Divers should have suitable experience for some sites, but local guides can recommend options that match your confidence and certification.
Planning Your Trip
For the best October scuba diving holiday, allow time to explore more than one island if your route and budget permit. Bonaire is particularly convenient for shore diving, while Sint Eustatius and Saba provide a more intimate, guided boat-diving experience. Check equipment requirements, medical declarations and certification details before travelling.
Pack reef-safe sun cream, a reusable water bottle and light clothing for warm evenings. Book flights, accommodation and dive spaces ahead of time, especially if you need specific equipment or guided excursions. With warm water, varied reefs and a friendly local welcome, the BES islands offer an excellent autumn escape for divers who want to spend their holiday beneath the surface.