Windstar Cruises is offering agents £175 bonus commission when they make a booking from its 2023 Japan programme.
The bonus commission offer applies to 16 sailings on 312-passenger ship, Star Breeze, and ends on 30 August.
The 2023 Japan itineraries run from 8 September to 30 October and range in length from nine to 40 days.
A 12-day culinary cruise from Yokohama to Osaka, departing 21 September, features in the programme.
Passengers can sign up for two on-board cooking demonstrations with chef Tracy Chang as well as a hosted dinner with some of her dishes and wine pairings.
Ms Chang specialises in Spanish and Japanese-style tapas dishes with natural wines, sakes and sherry.
Prices for the Grand Japan cruise start from £3,113 per person. There are departures on 21 and 30 September and 10 and 20 October.