The new Aloha Bus is Hawaii's first and only sightseeing tour on a double-decker, open-top bus. For $19 per person, visit Oahu's must-see destinations and landmarks in  Waikiki, Honolulu and Pearl Harbor with a 24-hour ride pass, regularly $39. This narrated ride includes unlimited hop-on, hop-off transportation from stops around the island.

Experience the thrill of snorkeling with dolphins off the shores of Waikiki with this offer from Ko Olina Ocean Adventures. For $69, snorkel the reefs, float with dolphins and savor a Hawaiian lunch, a package that regularly costs $144.

Located on a lush Hawaiian island just west of Maui, the Four Seasons Resort Lana'i at Manele Bay offers a three-night luxury getaway for two for $795. Regularly $1475, this package at a Conde Nast Traveler Hot List resort is available any day of the week through Dec. 17.

Close to both the Ala Moana Center and the Hawaii Convention Center, Ku'uleilani Day Spa is ideally located in Honolulu. For $69, Travelzoo subscribers can indulge in a two-hour spa package that includes a massage and facial regularly priced at $140.

For $24, sip on a mai tai and experience an evening fireworks show from the deck of a catamaran with Aqua Zone Scuba Diving and Watersports, a two-hour package that regularly costs $49.

Experience one of Oahu's most unique activities by taking a ride on an eco-friendly submersible scooter with this deal from Island Water Sports Hawaii. For $99, combine an underwater scooter adventure with snorkeling, turtle watching and on-board refreshments, regularly $198.

Located in the heart of Waikiki, Paradise Massages is offering Travelzoo subscribers an exclusive spa package for $89. Indulge in an hourlong massage and your choice of a 60-minute facial or hand and foot treatment, regularly $240.

Indulge with a massage and facial for $75 at Ville de Coco Spa at the secluded Outrigger Luana Waikiki Hotel, which overlooks Fort DeRussy Beach Park just a block from the ocean.

For $95, spend an afternoon on the open water off Oahu with a fishing, whale- and turtle-watching tour from Island Watersports Hawaii. This 2-hour adventure combo, which regularly costs $198, includes a snack, bottled water and use of fishing gear.

Revel in luxury during a three-night escape to a Maui resort boasting the top Hawaii hotel rating on the 2012 Conde Nast Traveler Gold List. This exclusively negotiated getaway for two at Travaasa Hana is available daily through June 30 and Sept. 9 - Nov. 15, including weekends, for $795 -- regularly $1300.