Tuesday's accompanying persons tourism option: Santander, including Centro Botin, the ferry to/from Somo & tapas, ½ day, ~€25
All participants (attendees or registered accompanying persons), as part of their fees, are invited to the Welcome Cocktail on the Monday evening plus Wednesday afternoon's tourism in Comillas, including a guided tour at Gaudi's Capricho, followed by the Farewell dinner.
Further tourism options
• Wednesday morning: Santinalla del Mar, including lunch ~€40
•Thursday: Two options are available (a) Bilbao with Guggenheim museum, full day, inc lunch ~€60 OR (b) ½ day Santander walking tour, inc lunch, €25