Aquaworld Marina Chapelín organizes Varadero's nautical highlight in the popularity stakes: the Seafari Cayo Blanco, a seven-hour sojourn (CUC$109) from Marina Chapelín to nearby Cayo Blanco and its idyllic beach. The trip includes an open bar, lobster lunch, two snorkeling stops, live music and hotel transfers.

There's also five hours of deep-sea fishing: CUC$310 for four people (price includes hotel transfers, open bar and licenses; nonfishing companions pay CUC$30).