43 Single members must have at least 340 Cruise Points earned to receive the single cruise fare at 150%. This offer is based on availability with certain restrictions. Ocean Voyage Packages, Holiday sailings (Christmas, New Year’s, Thanksgiving, Easter/Spring break) and the peak summer months of June 15 thru August 15 are not included in this offer.
https://www.royalcaribbean.com/content/dam/royal/resources/pdf/crown-and-anchor-society-benefit-grid.pdf