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Ruby Princess Cruise Ship Operated by Princess by Roberts Hawaii, Honolulu, HI, USA picture Cruise Critics
Ruby Princess

16-Day Hawaiian Islands

(Mar 18, 2026 -Apr 3, 2026)


March 23, 2026

HILO - HAWAII

8:00AM - 5:00PM

Maunakea Observatory in Hawaii Island Tour by Roberts Hawaii, Honolulu, HI, USA
9:00AM - 1:00PM

Maunakea and Rainbow Falls Private Tour

Experience a private Maunakea tour in a comfortable 4×4 SUV, ascending to over 9,000 feet at the Onizuka Center for International Astronomy. Explore the cultural significance of Maunakea, marvel at world-class telescopes, and visit the breathtaking Rainbow Falls on this unforgettable Big Island adventure.

*This tour does not go to the summit. 

  • Customize your experience
  • Private Tour – One Price for up to 6 passengers.
  • OUR PRICE - $1,226.00
March 24, 2026

HONOLULU - OAHU

7:00AM - 11:00PM

NO AVAILABLE TOURS


March 25, 2026

NAWILIWILI - KAUAI

8:00AM - 5:00PM

NO AVAILABLE TOURS


March 26, 2026

KAHULUI - MAUI

7:00AM - 6:00PM

Maui Ocean Center at Maui Tours by Roberts Hawaii, Honolulu, HI, USA
Visit Anytime Between 9:00 AM – 4:00 PM

Maui Ocean Center

Discover Maui Ocean Center, where Hawaii’s vibrant marine life comes alive. Walk through the Open Ocean Tunnel with sharks, rays, and tropical fish all around you. Explore coral reefs, meet sea turtles, and connect with Hawaiian culture and the ocean. With interactive exhibits and stunning views, this award-winning Maui aquarium is a must-visit Hawaii attraction for all ages.

* This activity DOES NOT INCLUDE TRANSPORTATION. We suggest that all guests depart MOC by 2:00pm to ensure your return to the ship in a timely manner.

  • Adult - $55.44
  • Child - $44.34