If want to top up your tan, you might want to head out to Praia da Marina, located 4.1 mi (6.5 km) from central Búzios. Enjoy the sunset by the shore at Rasa Beach, Praia Rasa, and Praia Baía Formosa, all 3 within a short walk.
You can stroll along Buzios Marina for relaxing water views when you're in Marina. If you carry on walking you'll get to Rasa Beach, Praia Baía Formosa, and Praia Rasa for some more water views.