Mar Grosso is the epicenter of the Laguna Carnival, which attracts thousands of visitors for street parades annually.
The beach is positioned along a unique geographical peninsula that separates the Atlantic Ocean from the large Lagoa de Santo Antônio.
The area is home to a significant population of resident dolphins that participate in cooperative fishing with local artisanal net-casters nearby.
Coastal erosion has historically been a significant management issue for the municipal government, requiring ongoing beach nourishment projects.
Mar Grosso is the primary urban beach in Laguna, Santa Catarina, characterized by a long, wide stretch of sand exposed to the Atlantic Ocean. It serves as the central hub for local tourism, featuring a high concentration of high-rise apartment buildings, hotels, and diverse gastronomic establishments along its coastal boulevard. The beach is widely recognized for hosting the Laguna Carnival, the largest street-party event in southern Brazil. Its waters are known for energetic surf conditions, making it a common site for water sports enthusiasts. The area functions as both a recreational swimming spot and a central meeting point for the city’s nightlife and dining scene.
The pier structure known as Molhes da Barra, which offers a panoramic view of the coastline.
Visit during the early morning to catch the local artisanal fishermen working near the shoreline.
Explore the northern end of the beach for a slightly quieter atmosphere compared to the high-density center.
Book accommodation well in advance if visiting during the mid-summer Carnival period.
Swimming in areas with strong rip currents marked by warning flags, as the ocean swells here can be powerful.
Casual beach attire is expected; public nudity is prohibited and strictly enforced.
