Visitors from the US, Canada, UK, EU and many other countries can enter visa-free for up to 30 days. Check official immigration sites for your nationality.

What currency is used?

The Cayman Islands Dollar (KYD), but US dollars are widely accepted. Change may be given in KYD.

Yes, English is the official language and universally spoken.

What power plug is used?

Type A and B sockets (same as US/Canada), 120V, 60Hz. Bring an adapter if your devices use different plugs.

Yes, tap water is desalinated and safe to drink, but bottled water is recommended if you have a sensitive stomach.

Rent a car, scooter, or bicycle. Taxis are available but need to be booked. There is no public bus service.

Yes, a few ATMs are located in Sister Town, but they may run out of cash. Bring sufficient funds.

What's the tipping etiquette?

A service charge is sometimes included; if not, 15–20% is standard at restaurants. For taxis, round up or add a small tip.

Generally yes, but always be aware of currents. No lifeguards are on duty. Beware of sharp coral and marine life.

When is hurricane season?

Officially June 1 to November 30, with peak activity from August to October. Monitor forecasts and follow local advice.

Can I use my cell phone?

Roaming works, but local SIM cards from providers like Flow or Digicel offer better rates. Coverage is fair to good across the island.

Is there internet access?

Most hotels and some cafes provide Wi-Fi, but speeds can be slow. Mobile data is usable for basic browsing.

Do I need a rental car?

Recommended for exploring, but taxis and tours are available.

Can I drink tap water?

Yes, tap water is safe and desalinated.

What is the dress code?

Casual beachwear is fine, but cover up in towns and restaurants. No swimwear in shops.

Is Sister Island family-friendly?

Yes, with calm beaches, shallow waters, and kid-friendly activities like Stingray City.

Are there medical facilities?

A small clinic is on Sister Island; serious cases go to Grand Cayman.

What is the time zone?

Eastern Standard Time (EST) year-round; no daylight saving.

Can I use my mobile phone?

Yes, roaming works. Local SIMs are available for unlocked phones.

Is there a departure tax?

Included in airfare; no separate fee.

Sister Island

Cayman Islands, North America

Sister Island is a STATE in Cayman Islands, North America.

Sister Island is the tranquil heart of the Cayman archipelago, a place where time slows to the rhythm of lapping waves and rustling palms. This unspoiled paradise offers world-class diving along dramatic vertical walls teeming with reef sharks, eagle rays, and kaleidoscopic coral gardens. Above the surface, explore the island’s rugged limestone bluffs, home to the endangered Sister Island rock iguana and rare bird species like the red-footed booby. Pristine, near-empty beaches of powdery white sand fringe turquoise shallows perfect for snorkelling or simply basking in the sun. The absence of crowds, chain resorts, and traffic lights preserves an authentic Caribbean charm. Locals greet you warmly, the scent of fresh conch fritters drifts from beach shacks, and every sunset paints the sky in fiery hues. Whether you’re cycling past iguanas, kayaking through mangrove channels, or stargazing with zero light pollution, Sister Island feels like your own secret Eden.

Best time to visit Sister Island

The dry season (November–April) delivers sunny skies, lower humidity, and calm seas — ideal for diving, beach lounging, and outdoor exploration. December–March is peak, with higher prices and more visitors. May–October sees hotter, stickier weather, occasional heavy downpours, and hurricane risk, but offers fewer crowds, greener landscapes, and discounted rates on accommodation and dive packages. For the best balance of good weather and value, visit in late April or November.

October

Now

Typical for October

Weather: Warm 27-32°C, rain tapering

Travel notes

Crowds: Very Low
Prices: Lowest

End of hurricane season; first signs of dry weather.

Know before you go

Getting there

SIS

Sister Island Airport

Domestic

0 km away

GCM

Owen Roberts International Airport (Grand Cayman)

International

150 km away

LYB

Edward Bodden Airfield

Domestic

5 km away

Getting around

"Public transport is nonexistent; most visitors rent a car, scooter, or bicycle. The main road circumnavigates the island, making navigation easy. Rental agencies are at the airport and in tiny Sister Town. Taxis are available but must be pre-booked — agree fares in advance. Many resorts and dive operators offer complimentary airport shuttles. The island is small enough to explore by bicycle if you're fit, though summer heat can be intense. Walking is pleasant in central areas. Fuel is expensive, so two-wheelers are popular."

Stay connected

WiFi speed

10 Mbps

Mobile data

Fair

WiFi

Available in most hotels and some cafes, but speeds may be slow

Local SIM

Local SIMs available at airport from providers like Flow or Digicel, starting around $10

Stay safe

Overall

9/10

Extremely low crime; basic precautions are sufficient.

Night safety

8/10

Extremely low crime; basic precautions are sufficient.

Transport

9/10

Scam risk

9/10

"Sister Island is extremely safe, with near-zero violent crime. Petty theft from unlocked rentals can occur, so secure valuables. Normal beach precautions apply. Hurricane season (June–November) requires monitoring weather alerts; follow local guidance if storms threaten. Diving and snorkelling: always use a buddy, check equipment, and respect marine protected areas. Roads are narrow and cars drive on the left; watch for pedestrians and cyclists. Tap water is potable. Emergency services are reliable but may have slow response in remote areas."

Police

911

Ambulance

911

Fire

911

Entry and health

Health information

"Medical facilities are limited: a small clinic handles minor ailments and diving injuries, but serious cases require evacuation to Grand Cayman or overseas. Travel insurance with medical evacuation is essential. No vaccinations are mandatory. Tap water is safe, but bottled water is recommended for sensitive stomachs. Mosquitoes can be present; use repellent, especially at dawn and dusk, as dengue and chikungunya are low but possible risks. The sun is intense — apply high-factor sunscreen, wear hats, and stay hydrated. Bring any prescription medications, as pharmacy supplies are limited. Hyperbaric chamber facilities are available on Grand Cayman for diving emergencies."

Culture

Local customs

"Dress is casual everywhere, but swimwear and bare chests belong on the beach, not in shops or restaurants. Polite greetings (“Good morning/afternoon”) are valued. Tipping 15–20% is standard in restaurants; for taxi drivers, a small tip is appreciated. Protect the fragile ecosystem: never touch coral or marine life, and use reef-safe sunscreen. Public nudity and topless sunbathing are illegal. Property crime is low, but lock accommodation when away. Environmental respect is paramount — take all trash with you from remote beaches."

Spanish (official)EnglishNgäbereKunaEmberáSpanish

Costs and practicals

Cost level

Mid-range

Meals

$15-25 | a casual meal costs around $15-25

Hotels

$100-200 | mid-range hotels/dive resorts typically range $100-200/night

Local transport

$15-30 | short taxi ride ~$15-30; car rental ~$50/day

Cost notes

Prices are higher than mainland due to import costs. Diving packages are the main draw and can be a good value.

Timezone

America/Cayman
Local time 15:03

More facts

Population

200

ISO code

KY-10375972

Frequently Asked Questions

Also known as: Kajmani Khurd, Kichik Kayman, Kichүүchүk Kajman, Kishi Kajman, Little Cayman, Malyj Kajman, chھwٹa kymn, kayman alsghry, kaymn kwchk, kwchny kymn, litala kemaina, litela kemyana, litila kemaina, ritorukeiman, tinishi kayimani, Каймани Хурд, Кичүүчүк Кайман, Кіші Кайман, Малый Кайман, كايمان الصغرى, چھوٹا کیمن, کایمن کوچک, کوچنی کیمن, लिटिल केमैन, লিটেল কেম্যান, ਲਿਟਲ ਕੇਮੈਨ, ትንሽ ካይማን, リトルケイマン

Capital CityMajor HubBeachSnorkelingDivingNatureRomanticFamily-FriendlyHikingKayaking