When visiting San Juan, it's helpful to know a few practical tips to enhance your experience. First, Spanish is the primary language spoken, but English is widely understood in tourist areas, making communication easier. Familiarizing yourself with some common Spanish phrases, like '¿Dónde está...?' (Where is...?), 'Por favor' (Please), and 'Gracias' (Thank you), can be beneficial. For staying connected, WiFi is commonly available in hotels and many cafes, and you can purchase local SIM cards at convenience stores for mobile data. Additionally, charging stations are widely accessible in public spaces and hotels, ensuring your devices remain powered. Regarding health, the tap water in San Juan is generally safe to drink, but many travelers prefer bottled water, especially in rural areas. Lastly, due to the tropical climate, packing sun protection like sunscreen, hats, and sunglasses is essential to enjoy your time outdoors comfortably.