Answer: kauai

AnswerCrossword Clue
KAUAI

Former Sandwich Island

KAUAI

Neighbor of Oahu

KAUAI

Aloha State isle

KAUAI
Waimea Canyon site
KAUAI
Mt. Waialeale's island
KAUAIIsland that's home to "Hawaii's Grand Canyon"
KAUAIOahu neighbor
KAUAIKilauea Lighthouse site
KAUAINorthermost Hawaiian island
KAUAIIt's northwest of Oahu
KAUAIPart of Hawaii
KAUAIIsland northwest of Oahu
KAUAINorthernmost Hawaiian island
KAUAIOne of the Hawaiian Islands
KAUAIHawaii's "Garden Island"
KAUAIHawaii's "Garden Isle"
KAUAIOldest of its island chain
KAUAIHome of Lihue Airport
KAUAIIsland near Oahu
KAUAIHawaiian island
KAUAIHawaiian Airlines destination
KAUAINawiliwili Bay locale
KAUAISetting of the PGA Grand Slam of Golf
KAUAIIsland in 50th state
KAUAIIsland of 50th state
KAUAIWhere "South Pacific" was filmed
KAUAIWesternmost of the major Hawaiian islands
KAUAIOne of the five counties of Hawaii
KAUAIIsland known for having "the wettest spot on Earth" (450+" of rain per year)
KAUAIIsland visited by Captain Cook in 1778
KAUAIGarden Isle of the Pacific
KAUAIHawaii's 'Garden Isle'
KAUAIIsland of Hawaii
KAUAIThe "Garden Isle"
KAUAINorthernmost main Hawaiian island
KAUAICaptain Cook landed there in 1778
KAUAI"The Garden Isle"
KAUAIIsland NW of Oahu
KAUAIIsland home to the Sleeping Giant mountain