Ilikai Kama'aina deals: The Ilikai Hotel's kama'aina package starts at $150 per night for a city-view room with valet parking included. The package is offered through June 30 with some blackout dates. A valid Hawai'i ID must be presented. Room must be occupied and paid for by the confirmed resident. Reservations (800) 468-3571 or (808) 949-3811, www.Ilikahotel.com.

Waikoloa dolphin days: Hilton Waikoloa Village's 13th Annual Dolphin Days Summer Fest will be June 14-17 and includes Hawaiian cuisine, dolphin encounters, jazz all-stars, benefit auctions, golf and tennis tournaments and the finale, The Great Waikoloa Food, Wine & Music Festival under the stars. Dolphin Days benefits the Hawaii Shriners Hospital for Children and the Pacific Marine Life Foundation. Reservations, (800) 445-8667, (808) 886-1234 or www.hiltonwaikoloavillage.com.

A look at cold zones: Explorer and world traveler Susie Elsner-Dwyer will share a naturalist's perspective of Antarctica, Greenland and the North Pole region in her "Photo Essay from Pole to Pole," a talk at 6 p.m. Tuesday at the Maui Ocean Center as part of the center's Sea Talk series. Elsner-Dwyer will address global warming and environmental change as viewed from a remote scientific research station, by dogsled, and from the air. Free. (808) 270-7075, www.mauioceancenter.com. Also at Maui Ocean Center, check out the 750,000-gallon Open Ocean exhibit for the newest addition, Ikaika, a 6-foot male tiger shark (Ikaika means 'strong' or 'strength'). Ikaika is the only tiger shark on display in the U.S.

Special sunset cruise: Star of Honolulu Cruises & Events celebrates its 50th anniversary this year, with a kama'aina April special Sunset Dinner & Show Cruise. The 2-hour cruise aboard the Star of Honolulu features a three-course crab and filet steak dinner, choice of beverage and "My Hawaii — Lei of Memories" show featuring the largest cast on Island waters. Cruise is 5:30 to 7:30 p.m. and leaves from Aloha Tower Marketplace, Pier 8. Kama'aina and military rate is $50 with valid ID. Reservations: www.starofhonolulu.com/kamaaina.

Keauhou summer packages: Sheraton Keauhou Bay Resort & Spa offers these summer packages, double occupancy: