Update (6:09 pm ET, July 20): This sale has been extended for bookings through Tuesday, July 24.

For $53 per day, visit three continents over 15 nights aboard Royal Caribbean's Mariner of the Seas.

This $799-per-person deal from CruCon departs May 6 and includes $100 per cabin in credit. This sale ends Friday.

Start the journey from Barcelona and head to Alexandria, Egypt, to see two of the Seven Wonders of the Ancient World -- including the pyramids. Then sail through the Suez Canal, linking the Mediterranean to the Red Sea, before visiting Safaga, Egypt as well as Jordan and ending in indulgent Dubai.

This is the middle leg of a 41-night journey the ship will take from Texas to Singapore.

Book the surrounding sailings for:

• $749 per person ... sail across the Atlantic for 15 nights
  Depart April 21 from Galveston, Texas to Barcelona
• $699 per person ... sail from Dubai for 11 nights
  Depart May 21 from Dubai to India, Malaysia and Singapore

These legs also can be booked separately, but if two or more consecutive sailings are booked, guests will get an additional $50 off per person for each leg of the trip.

Upgrade to a balcony cabin on any of the above sailings and get one complimentary specialty dining experience for two.

The Mariner of the Seas has three main dining rooms, a rock-climbing wall, ice-skating rink and concert venue, a nine-hole miniature golf course and a casino.

Click here for more information on this sale from CruCon. This deal is limited to the first 100 cabins booked.

Note: Taxes for the three-continent sailing are $277 – higher than normal due to the Suez Canal passage. Taxes on the other two legs are $91-$106 per person.