What Cayo Santa Maria actually is
Cayo Santa Maria forms part of the Jardines del Rey chain along Cuba's northern shelf. Its long white-sand beaches and shallow turquoise water made it a planned tourism zone rather than a town. The buildings you see are resort complexes operated within Cuba's state tourism system, along with service infrastructure for staff, transport and utilities. There is no residential neighbourhood in the ordinary sense: no municipal streets of private houses, no local property agents, and no listings of condos for sale. The workforce is largely bused in from Remedios, Caibarian and other mainland towns. Treating the cay as a place to buy a home simply does not match how it was built or how it is governed.
Why there are no condos for sale here
Since 2011 Cuban law has allowed citizens and permanent residents to buy and sell homes, but that market is domestic and is concentrated in towns and cities, not in planned resort cays. Foreigners face further restrictions and cannot freely acquire property, especially inside a designated tourism zone. Large-scale coastal developments are handled through the state and, where foreign capital is involved, through joint-venture and investment frameworks such as Ley 118, not through retail sales to individual visitors. On top of this, United States persons must weigh OFAC regulations and the Helms-Burton Act, which affect dealings in certain Cuban property. In short, the "condos" imagined online are not on the market.
What you can realistically do
You can visit and stay. The practical options are the all-inclusive resorts on the cay itself, or casas particulares (licensed private guesthouses) and modest hotels on the mainland in Remedios and Caibarian, a short drive across the causeway. Many travellers combine a few resort nights with time in colonial Remedios to get both the beach and a sense of everyday Cuban life. If your interest is genuinely long-term, the legal pathways to living in Cuba run through residency, marriage, inheritance or long-term rental arrangements, each with its own rules. Buying a beach condo on the cay is not one of them, and being clear about that saves disappointment.