Published: 17.10.2026
The .ky extension is the country-code domain of the Cayman Islands, a British Overseas Territory in the western Caribbean. The main island is Grand Cayman, where the capital, George Town, is located. English is the official language. Dive shops, hotels, property firms and local services use .ky to show a clear link to the islands. Use the availability form just below this text to see whether your name in .ky is still available.
Check if a .ky domain is available .ky Check
A short history
The zone grew steadily as tourism and the service economy expanded and as local companies began to publish their own websites. For a long time it was used mainly by government bodies and a small number of businesses. Today the ending is common among diving schools, hotels, law and accountancy firms, and other companies that serve residents and visitors on the three main islands.
Who runs it
The .ky zone is managed by a registry that keeps the database of names and sets the rules for registration. Registrars sell names to customers and pass the orders to the registry. Because the conditions are set by the registry, check its current terms before you order, especially if you are registering for a business.
Rules in practice
- Holder conditions: the registry may limit who can hold a .ky name, so check whether you qualify before you pay.
- Contact details: the information entered must be accurate, and it may be verified when the registry asks.
- Characters: names use letters, digits and hyphens, and the length rules of the registry apply.
- Renewal: enable automatic renewal, because a lapsed name can be registered by someone else.
Who uses .ky
- Dive operators and boat charters that take guests around the reefs and wall dives.
- Hotels, condominiums and holiday rental companies on Grand Cayman, Cayman Brac and Little Cayman.
- Restaurants, cafes and shops with a local customer base.
- Professional firms, such as accountancy, legal and property services, that work with clients on the islands.
Strengths
- The ending links a site to the Cayman Islands and makes its location clear to visitors and clients.
- English is the official language, so the address suits sites written in English.
- A place-based name is easy to remember for travellers who plan a trip to the islands.
Things to keep in mind
- The zone is tied to a single territory, so a business with a wider market may also want a generic address.
- A firm should use the name only for services it is authorised to provide, and it should check the rules of its own regulator before promoting them.
- Popular names linked to beaches and dive sites are often taken, so add a distinctive word.
- Rules for holders can change, so check the terms before you renew.
Tips before you register
- Check the name in .com and on the booking sites you use.
- Enter the company details exactly as they appear in the official register.
- Publish clear terms, contact details and a privacy notice before launch.
- Set up SPF, DKIM and DMARC records before you send confirmations or invoices.
- Turn on auto-renewal and keep two trusted people with access to the account.
Frequently asked questions
Can a non-resident register a .ky name? Holder conditions may apply, so check the current terms before you order.
Does .ky help a site appear in search results for the islands? It is one geographic signal. Clear local content, accurate listings and genuine reviews usually matter more.
Is .ky only for English-language sites? No. The ending does not fix the language, but English is the language most visitors and residents use day to day.
