Sandspur Beach offers generally calm, shallow waters that are suitable for swimming, especially for families with children. The beach is protected within Bahia Honda State Park, and lifeguards are typically on duty during peak hours. However, always check current conditions and posted warnings before entering the water. Watch for sea urchins near rocky areas and occasional jellyfish. The sandy bottom and gradual depth make it safer than many ocean beaches, but supervision of children is always recommended. Strong currents can occasionally occur during weather changes.

Sandspur Beach is enjoyable year-round thanks to the Florida Keys' subtropical climate. Winter months (December-April) offer the most comfortable temperatures, lower humidity, and fewer mosquitoes, though this is peak tourist season. Summer brings hot, humid weather with afternoon thunderstorms but fewer crowds. Hurricane season runs June through November. For spectacular sunsets, the beach faces southwest, making it ideal for evening visits any time of year. Early mornings provide the calmest conditions and best chance for peaceful beach time.

Sandspur Beach is located within Bahia Honda State Park on Big Pine Key, accessible via the Overseas Highway (US-1) at Mile Marker 37. The park entrance has a fee station where you pay admission per vehicle. Parking is available in designated lots near the beach, but spaces fill quickly during peak season and weekends, especially from mid-morning onward. Arriving early is strongly recommended. The park enforces capacity limits and may close to new visitors when full. No parking is permitted along the highway.

Bahia Honda State Park, where Sandspur Beach is located, has a concession stand offering snacks, drinks, and light meals during operating hours. The park provides restrooms, outdoor showers, and picnic pavilions with grills. Beach equipment rentals (kayaks, snorkeling gear) are typically available. Nearby Big Pine Key and Marathon have restaurants and grocery stores for meal planning. The park also offers campground facilities and cabin rentals for overnight stays. Bring your own beach chairs and umbrellas, as shade is limited on the beach itself.

Sandspur Beach is distinctive because it features natural white sand, which is rare in the Florida Keys where most shorelines are rocky or have imported sand. The beach offers stunning turquoise waters and is consistently ranked among the best beaches in Florida. Unlike many Keys beaches, it has a genuine soft sandy bottom extending into the water. The beach's location within protected Bahia Honda State Park preserves its natural beauty, and its southwest orientation provides spectacular sunset views over the Atlantic, making it a photographer's favorite.