Go for an evening stroll by the water at Marina Gaviota. You'll be charmed by the sight of sailboats bobbing around under the moonlight.
You're spoiled for sightseeing choice when staying in Varadero. Marina Gaviota is a good place to begin here, but there are numerous other interesting attractions to appreciate. Parque Central & Parque de las 8000 Taquillas, Varahicacos Ecological Reserve, and Marlin Marina Chapelin are near the yacht and boat harbor and will fill in your day nicely.