Rio Mare tuna case of 9x80g tin (buy 6 and have 3 for free). The Multibuy Rio Mare tuna is the most convenient way to have Rio Mare tuna in UK. The unique and unmistakable flavour of Rio Mare tuna, with its distinctive pink colour and its consistent quality. Its high quality is guaranteed by stringent controls and extremely thorough cleaning processes; the tuna is canned with the sole addition of good olive oil and a pinch of sea salt. Ideal in all recipes, from starters to fresh salads.