1. Introduction  
2. Observations and Data Analysis  
3. General Results  
3.1. Nature of the Observed Sub-mm Emission  
3.2. Fluxes and Cloud Masses  
3.3. Cloud Column Densities  
4. Results for Individual Parts of the Complex  
4.1. $\eta$ Car  
4.2. Clouds near Tr 16 and the Keyhole Nebula Region  
4.3. Clouds near Tr 14  
4.4. Clouds near the Cluster Tr 15  
4.5. Clouds in the South Pillars  
5. Cloud Morphology from the Combination of the Spitzer and the LABOCA Images  
6. Sub-mm Emission from CO Molecular Cloud Clumps  
7. Global Properties of the Carina Nebula Complex  
7.1. The Total Dust and Gas Mass  
7.2. The Spectral Energy Distribution of the Complex  
7.3. A Simple Radiative Transfer Model of the Carina Nebula Complex  
7.4. Star Formation in the Observed Clouds  
8. Conclusion