Playa de las Lisas, Guatemala offers 1 beach perfect for sunbathing, surfing, swimming, and more. Playa de las Lisas, Santa Rosa, Guatemala, is known for its beautiful Pacific coastline and the nearby Monterrico Nature Reserve. The best time to travel to Playa de las Lisas, Guatemala, is from December to April, with average air temperatures around 85°F (29°C) and water temperatures near 82°F (28°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!