Silversea has launched two new extended sailings for 2024 in response to “strong demand”.

The 43-day Grand Voyages Mediterranean itinerary departs Lisbon on October 4 on Silver Spirit and calls at 34 destinations across 13 countries.

Passengers will visit Cádiz, Malaga, Valencia, Palma de Mallorca, Barcelona, Toulon, Monte Carlo, Tuscany, Rome, Naples, Sicily, Valletta, Kotor, Korcula, Zadar, Piran, Venice, Trieste, Ravenna, Opatija, Split, Dubrovnik, Bari, Corfu, Heraklion, Santorini, Athens, Kusadasi, Crete, Rhodes, Alexandria, Nazareth and Jerusalem, concluding in Athens on November 16.

The lead-in price for the voyage is £20,600.

The 66-day Grand Indian Ocean Expedition itinerary departs Port Elizabeth in Gqeberha, South Africa, on April 4 on Silver Cloud and calls at 45 destinations in 12 countries.

Ports of call include Cape Town, Langebaan, Hermanus, Durban, Mozambique, Madagascar, Comoros, Tanzania, the Seychelles, the Maldives, India, Sri Lanka, Indonesia, Singapore, Kimberley, Western Australia, and concluding in Darwin on June 9. Prices start at £41,900.

Both itineraries include private transfers, business class flights, food, drink, butler service and shore excursions.