Ownership is about legal status, not location
The single most important idea is that Cuban property rights follow the person, not the postcode. Whether a home is inland or steps from the sand, the same threshold applies: the owner must normally be a Cuban citizen or a permanent resident. Decreto-Ley 288 of 2011 opened buying and selling of homes between such people, and that domestic market is where almost all ordinary transactions occur.
Because the rule is about legal status, a beachfront location does not create a special exception. A foreign tourist cannot buy a shoreline flat simply because it is by the beach; the location does not unlock a right that the person's status withholds. This is the opposite of how many sun-and-sea property markets abroad work, and it is the first thing to internalise before anything else makes sense.
The state and the tourism coast
Cuba's prime beach zones are heavily bound up with state-led tourism. Land in and around resort areas is frequently held or controlled by the state, and development there tends to run through joint ventures and approved projects rather than private conveyancing. Ley 118 of 2014 is the framework under which foreign capital can enter such projects, always with state approval and partnership.
This is why the coast can look busy with new construction while remaining effectively closed to individual foreign buyers: the activity is institutional, not a private resale market. What you see rising near the sand is far more likely to be an approved tourism venture than a stack of privately owned condos being traded between individuals.
The shoreline itself
Beyond ownership rules, Cuba treats the coastal zone as a protected public and environmental space. The immediate shoreline is not something a private party simply encloses and controls. Practically, this reinforces that a 'private beach' in the ownership sense familiar elsewhere is not how the Cuban coast is organised, and that expectations of exclusive beachfront control should be treated with caution.
Put together, these three forces, the status-based ownership rule, the state's grip on resort land, and the protected shoreline, explain why beachfront property in Cuba behaves so differently from the images in glossy overseas brochures, and why sober, informed expectations serve you far better than optimistic ones.