Waterways:
Berbice, Demerara, and Essequibo rivers are navigable by oceangoing vessels for 150 km, 100 km, and 80 km respectively (2006)
Merchant marine:
total: 8 by type: cargo 6, petroleum tanker 1, refrigerated cargo 1 registered in other countries: 3 (Saint Vincent and the Grenadines 2, unknown 1) (2008)
Ports and terminals:
Georgetown
Military
Guyana
Military branches:
Guyana Defense Force: Army (includes Coast Guard, Air Corps) (2007)
Military service age and obligation: