I've found 18 tours to Croatia

Split, Hvar and the Delights of Dalmatia Yacht Cruise - MS Mendula

8 Days - Split, Hvar and the Delights of Dalmatia Yacht Cruise - MS Mendula

Venice, Split and treasures of the North - MS Stella Maris

10 Days - Venice, Split and treasures of the North Ocean Cruises

Dubrovnik & Southern Croatia Yacht Cruise with Bosnia & Herzegovina - MV Corona

11 Days - Yacht Cruises - Dubrovnik and Southern Croatia

Zadar and Islands of the North Yacht Cruise with Krka Waterfalls - MS Il Mare

10 Days - Yacht Cruises - Zadar and Islands of the North

Split, Rab and Undiscovered Islands of the North Yacht Cruise - MS Il Mare

8 Days - Split, Rab and Undiscovered Islands of the North Yacht Cruise - MS Il Mare

Split to Dubrovnik Yacht Cruise with Dalmatia & Plitvice Lakes - MS Adriatic Sun

11 Days - Yacht Cruises - Croatia and the beautiful Dalmatian coast

Split, Dubrovnik and the Splendours of Dalmatia Yacht Cruise - MS Adriatic Sun

8 Days - Split, Dubrovnik and the Splendours of Dalmatia Yacht Cruise - MS Adriatic Sun

Split, Zadar and Secrets of the North Yacht Cruise - MS Adriatic Sky

8 Days - Yacht Cruises - Split, Zadar and Secrets of the North Yacht Cruise - MV Riva

Split, Zadar and Secrets of the North Yacht Cruise for Solo Travellers - MS Adriatic Sky

Discover Split, Zadar and the Secret of the North, sailing between smaller islands and ports, allowing spectacular coastal views normally inaccessible to larger cruise liners.

Dubrovnik and the Dalmatian Coast

8 Days - European Tour

Dubrovnik, Split and Jewels of the Dalmatian Coast Yacht Cruise - MV Corona

8 Days - Dubrovnik, Split and Jewels of the Dalmatian Coast Yacht Cruise - MV Corona

Grand Tour of Northern Croatia - from Spilt to Istria

12 Days - European Tour

Walk & Discover: Dubrovnik & the Dalmatian Coast

8 Days - Walk & Discover

Split, Rab and Undiscovered Islands of the North Yacht Cruise for Solo Travellers - MS Il Mare

Split, Dubrovnik and the Splendours of Dalmatia for Solo Travellers - MS Adriatic Sun

The Royal Clipper - A Mediterranean Odyssey - Royal Clipper

14 Days - Tall Ship Cruises - The Royal Clipper - A Mediterranean Odyssey - Royal Clipper

Budapest to The Black Sea River Cruise - MS Thomas Hardy

15 Days - Budapest to The Black Sea River Cruise - MS Thomas Hardy

Budapest to The Black Sea River Cruise - MS William Wordsworth

15 Days - Budapest to The Black Sea River Cruise - MS William Wordsworth