There are more than 130 islands dotting the bay, including:
Lajes
Ilha do Governador – site of Rio de Janeiro's Galeão - Antônio Carlos Jobim International Airport
Ilha de Paquetá
Ilha das Cobras
Flores
Ilha Fiscal
Ilha da Boa Viagem
Villegagnon
Fundão
The bay is crossed by the Rio-Niterói Bridge (13.29 kilometres (8.26 mi) long and with a central span 72 metres (236 ft) high) and there is heavy boat and ship traffic, including regular ferryboat lines.
The Port of Rio de Janeiro, as well as the city's two airports, Galeão - Antônio Carlos Jobim International Airport (on Governador Island) and Santos Dumont Airport (on reclaimed land next to downtown Rio), are located on its shores.
The Federal University of Rio de Janeiro main campus is located on the artificial Fundão Island.
A maze of smaller bridges interconnect the two largest islands, Fundão and Governador, to the mainland.

There is an Environmental Protection Area (APA), which is located mostly in the municipality of Guapimirim and given the name of Guapimirim APA.
There are more than 130 islands dotting the bay, including:
Lajes
Ilha do Governador – site of Rio de Janeiro's Galeão - Antônio Carlos Jobim International Airport
Ilha de Paquetá
Ilha das Cobras
Flores
Ilha Fiscal
Ilha da Boa Viagem
Villegagnon
Fundão
The bay is crossed by the Rio-Niterói Bridge (13.29 kilometres (8.26 mi) long and with a central span 72 metres (236 ft) high) and there is heavy boat and ship traffic, including regular ferryboat lines. The Port of Rio de Janeiro, as well as the city's two airports, Galeão - Antônio Carlos Jobim International Airport (on Governador Island) and Santos Dumont Airport (on reclaimed land next to downtown Rio), are located on its shores. The Federal University of Rio de Janeiro main campus is located on the artificial Fundão Island. A maze of smaller bridges interconnect the two largest islands, Fundão and Governador, to the mainland.
There is an Environmental Protection Area (APA), which is located mostly in the municipality of Guapimirim and given the name of Guapimirim APA.
Guanabara Bay