St. Lucia is widely considered one of the more expensive Caribbean islands in 2026, primarily due to its reputation as a luxury honeymoon destination. High-end resorts like Jade Mountain can cost over $1,500 a night. However, a supportive peer "budget" insight: it is possible to visit affordably if you stay in the Gros Islet or Vieux Fort areas instead of the private coves of Soufrière. Local "Creole" diners offer meals for $10–$20, and the public minibus system (XCD $2–$10) is a fraction of the cost of tourist taxis. If you stick to DIY hiking (like the Tet Paul Nature Trail) and public beaches, a budget traveler can manage on $75–$100 a day, but for the "classic" St. Lucian experience involving boat tours and resort dining, expect to spend $250+ per day.