Each sailing has 40 places available.
These are a five-night Belgium and Germany cruise on 9 September aboard Aurora, and a seven-night Northern Europe cruise on Iona on 31 October.
It concludes with a four-night sailing to Belgium and France on Ventura on 29 November.
Agents wining a place will undergo training sessions and experience first-hand an array of dining onboard as well as participating in shore excursions.
“Shine at Sea has become one of our most valued trade initiatives, and for 2026 we’re making it bigger than ever,” said associate vice president of sales & distribution, Ruth Venn.
“By opening up more places across three ships, we’re giving even more agents the opportunity to step on board and experience our product first-hand.”
To win a place, Shine Rewards Club agents can book and spin their Select Price bookings and register their intention by 3 March, 2026.
There are additional chances to win on the Travel Agent Sales Facebook and Instagram pages.