Praia do Dique is a beach located in the municipality of Cabedelo, within the metropolitan region of João Pessoa, Paraíba, Brazil. It is situated near the historic Forte de Santa Catarina do Cabedelo and the mouth of the Rio Paraíba, with the area also known locally as Praia de Santa Catarina. The beach features a wide expanse of soft, white sand. Access is directly from the shore, with no dedicated boat ramp, making it suitable for launching kayaks, SUPs, or surf skis by carrying them from the beach. The wave character is a beach break, forming A-frame waves typically suitable for beginner surfers, which indicates the presence of a shore-break that paddlers must navigate when entering or exiting the water. This surf pattern suggests the launch can be subject to wave action, requiring assessment of conditions.

The beach is more frequented by local residents and fishermen. A key nearby paddling destination is the Ilha de Areia Vermelha, a popular sandbar island located in the bay off Cabedelo, which is a common target for boat tours departing from the area. Paddling to this island from Praia do Dique would involve crossing a section of the bay. The presence of the port's dike (dique do porto) defines the beach's name and geography. The best time for consistent wave conditions, which correlates to periods of more predictable sea state for paddlers, is typically January through March. The beach offers views of the sunset behind the Rio Paraíba from the nearby Mirante do Dique (Quebra-Mar) lookout.