South Beach offers calm, shallow waters suitable for swimming, though it's a small beach compared to other Key West options. The water is generally clear and gentle, making it family-friendly. However, the beach can get crowded, especially near sunset. Rocky patches appear in some areas, so water shoes are helpful. Jellyfish occasionally appear in warmer months. Lifeguards are not always on duty, so swim cautiously. The protected location means fewer waves, ideal for relaxed wading rather than surfing or bodyboarding.

South Beach is accessible year-round, but December through April offers the most comfortable weather with lower humidity and fewer rain showers. Summer months (June-September) bring heat, humidity, and afternoon thunderstorms, though water temperatures are warmest. The beach is famous for sunset views, so late afternoon visits are popular regardless of season. Weekday mornings tend to be less crowded than weekends. Hurricane season runs June through November, though direct hits on Key West are relatively rare.

South Beach has limited free parking along South Street near the intersection with Duval Street. Spots fill quickly, especially during peak tourist season and sunset hours. Additional street parking exists on nearby residential streets, but read signs carefully for restrictions. Paid parking lots are available within a few blocks in the downtown area. Many visitors walk or bike from nearby accommodations, as the beach sits at the southern end of Duval Street. Scooter and bicycle rentals are popular alternatives.

South Beach sits steps from Duval Street, Key West's main strip packed with restaurants, bars, cafes, and shops. The Southernmost Beach Cafe overlooks the beach itself, offering casual dining. Dozens of dining options ranging from seafood shacks to upscale restaurants are within a five-minute walk. Nearby hotels include the Southernmost Beach Resort directly adjacent, plus numerous guesthouses and boutique hotels throughout Old Town. Convenience stores and beach gear shops are plentiful in the surrounding blocks. Restrooms and outdoor showers are available at the beach.

While South Beach faces south rather than west, you can see beautiful sunset skies with colourful reflections, though not the direct sunset over water. For classic Key West sunset views where the sun meets the horizon, head to Mallory Square or nearby Fort Zachary Taylor. South Beach offers a quieter, less crowded alternative for enjoying the golden hour with pleasant views. The beach's southern exposure provides excellent midday sun and clear blue water photography opportunities throughout the day.