

The June 26, 2027 cruise on the Mariner of the Seas departs from Southampton (London), England. On this 8 Night Spain & Portugal (Southampton Roundtrip) sailing, the ship will visit a total of 5 cruise port destinations, including its departure port. The Mariner of the Seas sets sail on Saturday, Jun 26th and returns on Sunday, Jul 4th.
The graph below tracks historic price of the Mariner of the Seas cruise ship departing June 26, 2027. The most recent price for this sailing starts at $1,051 ($132 per night) for an Inside Cabin. Compared to the average price of $1,048 ($132 per night), this represents a recent increase of 0%.
Use the buttons below to toggle between cabin types.
Mariner of the Seas - June 26, 2027 - 8 Nights
| Day | Date | Port |
|---|---|---|
| 1 | Jun 26th | Southampton (London), England |
| 2 | Jun 27th | At Sea |
| 3 | Jun 28th | Bilbao, Spain |
| 4 | Jun 29th | At Sea |
| 5 | Jun 30th | Lisbon, Portugal |
| 6 | Jul 1st | Porto, Portugal |
| 7 | Jul 2nd | Vigo, Spain |
| 8 | Jul 3rd | At Sea |
| 9 | Jul 4th | Southampton (London), England |
The Mariner of the Seas sails on June 26, 2027 for a 8 Night Spain & Portugal (Southampton Roundtrip). The ship will depart the port of Southampton (London), England at 5:00 PM and will return to the port of Southampton (London), England on Jul 4th at 5:30 AM. During the 9-day journey, the Mariner of the Seas will visit 4 additional ports and will spend 3 days at sea.
Based on my comprehensive research of cruise port safety information, including recent crime reports, travel advisories, Global Peace Index rankings, and specific port security concerns, we've created a "safety score" for each cruise port stop. The overall rating below represents a combined score for your specific cruise itinerary.

The Mariner of the Seas has a construction date of 2003 and a total size of 138,279 gross tons. The ship measures 1,020 feet (311 meters) in length. Mariner of the Seas is included in Royal Caribbean’s Voyager Class. At full capacity, the Mariner of the Seas holds 4,299 passengers. That includes 3,114 cruise vacationers and 1,185 staff members. The Mariner of the Seas total number of staterooms is 1,674.
To see how this compares, click through to see Mariner of the Seas age and stats vs all Royal Caribbean ships. There you’ll find graphs showing length, capacity, tonnage and more for this ship vs all in the fleet.
To check out the ship from top to bottom, click here for Mariner of the Seas Deck Plans.
Southampton (London), England, offers docking at Southampton Port with excursions to London. Travelers explore Tower of London and Buckingham Palace. Excursions visit Stonehenge. Local markets sell fish and chips. The peak season, May to September, brings mild weather for city tours. Photography captures historic landmarks and Solent vistas. Dining onboard includes roast beef, an English favorite. Souvenirs, like tea crafts, are sold in ship shops. Briefings cover Anglo-Saxon history. Light layers and waterproof shoes suit the temperate climate, while comfortable shoes enhance city walks. Southampton’s urban gateway offers a vibrant English stop. Cruise travelers enjoy a mix of iconic landmarks and historic sites, making Southampton an engaging destination. (126 words)
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
Bilbao, Spain, docks at Getxo Port, 10 kilometers from downtown, with shuttles for 20-minute rides. The city, population 340,000, features the Guggenheim Museum with Frank Gehry’s titanium design. Travelers stroll Casco Viejo for pintxos bars. Excursions to San Sebastián, 1 hour east, explore La Concha Beach. Local markets sell Idiazabal cheese. Peak season June to September; taxis 10-15 EUR. Dining includes bacalao at old town taverns. Souvenirs feature Basque berets.
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
Lisbon, Portugal, offers docking at Lisbon Port. Travelers explore Belém Tower and Jerónimos Monastery. Excursions visit Sintra’s Pena Palace. Local markets sell pastéis de nata. The peak season, April to October, brings mild weather for coastal tours. Photography captures Manueline architecture and Tagus River vistas. Dining onboard includes bacalhau, a Portuguese favorite. Souvenirs, like azulejo crafts, are sold in ship shops. Briefings cover Age of Exploration history. Light clothing and sun protection suit the Mediterranean climate, while comfortable shoes enhance city walks. Lisbon’s cultural charm offers a vibrant Portuguese stop. Cruise travelers enjoy a mix of historic landmarks and scenic rivers, making Lisbon an engaging destination. (126 words)
Porto, Portugal, offers docking at a Douro River port. Travelers explore Ribeira District and Livraria Lello. Excursions visit Douro Valley vineyards. Local markets sell francesinha. The peak season, April to October, brings mild weather for river tours. Photography captures colorful riverfronts and Douro vistas. Dining onboard includes bacalhau, a Portuguese favorite. Souvenirs, like port wine, are sold in ship shops. Briefings cover Portucale history. Light clothing and sun protection suit the Mediterranean climate, while comfortable shoes enhance city walks. Porto’s cultural charm offers a vibrant Portuguese stop. Cruise travelers enjoy a mix of historic districts and scenic vineyards, making Porto an engaging destination for exploration.
Vigo, Spain, offers docking at Vigo Port. Travelers explore Cíes Islands and Santa María Cathedral. Excursions visit Santiago de Compostela. Local markets sell pulpo a la gallega. The peak season, April to October, brings mild weather for coastal tours. Photography captures rugged islands and Atlantic vistas. Dining onboard includes empanada gallega, a Spanish favorite. Souvenirs, like scallop crafts, are sold in ship shops. Briefings cover Galician history. Light clothing and sun protection suit the temperate climate, while comfortable shoes enhance island walks. Vigo’s coastal charm offers a vibrant Spanish stop. Cruise travelers enjoy a mix of natural islands and historic shrines, making Vigo an engaging destination for exploration. (126 words)
Take advantage of the many on board activites during your day at sea. You'll have more than enough to fill your day!
Southampton (London), England, offers docking at Southampton Port with excursions to London. Travelers explore Tower of London and Buckingham Palace. Excursions visit Stonehenge. Local markets sell fish and chips. The peak season, May to September, brings mild weather for city tours. Photography captures historic landmarks and Solent vistas. Dining onboard includes roast beef, an English favorite. Souvenirs, like tea crafts, are sold in ship shops. Briefings cover Anglo-Saxon history. Light layers and waterproof shoes suit the temperate climate, while comfortable shoes enhance city walks. Southampton’s urban gateway offers a vibrant English stop. Cruise travelers enjoy a mix of iconic landmarks and historic sites, making Southampton an engaging destination. (126 words)