When you cruise Costa, you can sign up for the cruise line's loyalty program. This program features six exclusive club tiers, each of which can be accessed when you earn a certain amount of points from cruising with Costa. The levels and points are as follows: The Ambra Club is the beginning tier. When you earn up to 2,000 points, you become an Aquamariner member. Points from 2,001 to 5,000 earn you Corallo status while earning 5,001 to 13,000 points makes you a Perla member. If you accumulate between 13,001 and 26,000 points you jump up to a Perla Oro designation while earning 26,000 or more points makes you a Perla Diamante club participant- the highest level of club membership.