The exit is from the Barra Grande Pier, engine cutting through the still water of the bay towards Ilha do Goió — the journey is quick, and that is where the advantage of this route lies: more time standing still, less time in transit. In Goió, where the river meets the sea forms a shallow sandbar where the water reaches shin height, with the white sand bottom visible at every step — no rush for the first dive of the day. From the boat, the jump to Ilha da Pedra Furada is short, and here the stop is generous: almost an hour to swim among the corals and dive with a mask in the small pools that the low tide reveals around the large perforated rock, with plenty of time to even take leisurely photographs. Lunch is at Ilha do Sapinho, a fishing village with few real restaurants — at Bar do Bi or Rio do Goió, the fish and shrimp that arrive at the table came out of the water hours before, served on a wooden pier that extends over the mangrove forest. A quick trip along Ponta da Ilha Grande shows, from a distance, the largest community in the bay — simple houses, anchored fishing boats, without getting off the boat. And the day ends in Campinhos, where the water changes tone: deeper, darker because it's so clean, with a shallow strip reserved for those who want the last dive before returning to Barra Grande.