Romantic Red Rose. Passion rose flower on railing of cruise ship. Ocean in background

If you're not celebrating your love at sea this year, you can at least deliver the promise of an amorous adventure with the gift of a cruise this Valentine's Day. Here are our picks for cruise lovers.

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Terrific South Pacific with Royal Caribbean

What it is: Explorer of the Seas depart from Sydney on Valentines Day, 14 February 2018, this eight-night cruise is perfect for couples who enjoy exploring white sandy beaches, and who would appreciate a beautiful culture nestled away in paradise. The cruise visits Noumea, Mystery Island and Mare before finishing in Sydney.

What it costs: From $1,256 per person and includes up to US$400 to spend on board.

Valid: Royal Caribbean’s Mega Ship Super Sale ends 27 February 2017

Bring your 'partner in wine' to NZ with Princess Cruises

What it is: This trip is perfect for the sophisticated couple that can appreciate both modern history and wine. Emerald Princess departs from Sydney on 25 January 2018 and across 12 days visits Auckland, Tauranga, Napier, Wellington, Akaroa and Dunedin before returning to Sydney.

What it costs: $1,999 per person.

Valid: Princess Cruises’ 3 for free deal ends 28 February 2017

Shopping and food in a romantic mood on QM2

What it is: This 18-night cruise departs from Adelaide on 16 February and would appeal to food-loving couples that enjoy exploring the urban sprawl of Australia. Cunard’s Queen Mary 2 visits Melbourne, Kangaroo Island, Sydney, Port Arthur and Hobart before coming to finish in Sydney.

What is costs: From $949 per person per twin share

Valid: To be advised

Luxury in paradise on Seabourn Encore

What it is:This 16-day cruise is a tropical getaway for the summer loving couple. Seabourn Encore departs from Auckland on 20 December and visits Tauranga, Dravuni Island, Lautoka, Suva, Mare, Isle of Pines, Mystery Island, Norfolk Island, Russell and finishes in Auckland.

What is costs: From $14,499 per person twin share including veranda suite upgrade and 50 percent reduced deposit. Also includes air credit and US$1,000 credit per Penthouse & Owner’s suite.

Valid: Seabourn’s Signature Savings Event ends 14 March 2017

Summer loving with P&O

What it is: This seven-night cruise would be perfect for beach-loving couples who enjoy relaxing at the beach and soft adventure activities. Pacific Jewel leaves Sydney on 20 February to embark on a roundtrip cruise visiting Mooloolaba, Gladstone and Moreton Island.

What is costs: From $899 per person per twin share and includes a premium beverage package or soft drinks package.

Valid: P&O’s $1 Deposit Sale ends 14 February 2017

Take Your Sweetie to Tahiti with Paul Gauguin Cruises

What it is: Book a cruise to Tahiti and receive a $200 spa credit per cabin, a box of chocolates and a bottle of sparkling wine, to boost the romance.

Eligible voyages include: Any sailing on Paul Gauguin from August 26, 2017, to December 29, 2018 (excluding the October 17, 2017 sailing).

Valid: Book by February 18, 2017

Looking for some ideas to make your cruise more romantic? Check out these stories:

--By Rebecca Stackpool, Cruise Critic contributor