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We present the results of observations of CO emission in the Large Magellanic Cloud (LMC). These observations were carried out as part of a Key Programme on the Swedish-ESO Submillimeter Telescope (SEST) on La Silla, Chile. The beamwidth at 2.6 mm is 40", or 10 pc at the distance of the LMC, and the maps are fully sampled. The molecular emission in the LMC is dominated by clouds with giant molecular cloud (GMC) dimensions and masses. Cloud properties in two regions of the LMC will be discussed. One is a dark cloud complex extending 2 kpc south of 30 Dor, and the other is associated with the bright HII region N11. We will discuss cloud size distributions, size-linewidth relations, and the conversion from CO luminosity to virial mass in both regions.
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