Bikini Beach is generally considered safe for swimming with its sandy bottom and protected location within Port Antonio. The beach typically has calmer waters suitable for families and various skill levels. However, always check current conditions as Caribbean waters can change with weather and tides. The beach's popularity and local recognition mean other swimmers are usually present. Basic safety rules apply: swim during daylight, avoid swimming alone, stay aware of your abilities, and ask locals about any specific hazards. The developed nature of this beach suggests more regular oversight than very remote locations.

Bikini Beach can be visited anytime year-round, as indicated by its designation, making it flexible for various travel schedules. Jamaica's dry season from December to April offers the most predictable weather with less rainfall. However, Portland Parish receives more rain than other parts of Jamaica throughout the year, so come prepared regardless. The beach's popularity means it can be busy during peak tourist season and weekends. For a balance of good weather and fewer crowds, consider shoulder seasons like May or November. Early mornings provide quieter beach time before day-trippers arrive.