Barra do Mamanguape, Brazil offers 1 beach perfect for sunbathing, surfing, swimming, and more. Larrakeyah, Northern Territory, Australia, is known for its proximity to the Darwin Waterfront Precinct and the Museum and Art Gallery of the Northern Territory. The best time to travel to Barra do Mamanguape, Brazil, is from September to November, with average air temperatures around 27°C (81°F) and water temperatures near 26°C (79°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!