It depends on what you are looking for.
If you are looking to buy or sell a property it is best if you consult with the Realtors Association of Jamaica to guide you to approved websites which follow a high standard and are bound by the code of ethics outlined by the National Association of Realtors.
If you are looking for an agent it may be best to start at a broker which has several agent profiles to choose from. One such example is the Keller Williams Jamaica website which has close to one hundred agent profiles.
If you are looking for real estate valuation you should contact the National Land Agency for a comprehensive list of certified valuers which are approved by the various banks and government entities.
If you are looking to invest or build developments. The best website to visit is the Real Estate Board of Jamaica. They have a comprehensive breakdown of steps to be taken to facilitate real eatate development.
If you are looking for a website to guide you with your real estate mortgages there are a few websites which are very up to date and provide mortgage calculators for your convenience such as Jamaica National Bank and Bank of Nova Scotia.
When in Jamaica google can guide you however you should also ensure that you look to the general legal council and ensure that you have a attorney at law that is up to date with conveyance law and the council can guide you. There are older more established firms such as Abendana & Abendana which have several offices with several attorneys to ensure that transactions go smoothly.