If you choose to stay at a 4-star hotel in Koptolgae, you'll usually find plenty of amenities to keep you relaxed, such as a gym, restaurant and pool. You can look forward to excellent service and upscale surroundings. Go for a 5-star hotel and you'll get a few more perks — think concierge assistance, on-site spas and opulent turndown services. You'll most likely get more amenities and first-rate services at a 5-star stay, though both are great options for luxury travelers.