← All beaches & hotels
MULTI-ISLAND ITINERARY · 2 ISLANDS

Big Island + Kauaʻi Itinerary

7-day beach plan with water quality checks

Trip Overview
Duration7 days
IslandsBig Island, Kauaʻi
Flights1 inter-island flight(s)
Day-by-Day Plan
Big Island

Day 1

Morning
Hapuna Beach
Check water quality → live data
Afternoon
A-Bay (Anaehoomalu, sunset views over palm-fringed beach)
IF BROWN WATER IS ACTIVE
Try A-Bay (Anaehoomalu) or: Volcanoes National Park

Day 2

Morning
Mauna Kea Beach
Check water quality → live data
Afternoon
A-Bay (Anaehoomalu, sunset views over palm-fringed beach)
IF BROWN WATER IS ACTIVE
Try Kua Bay or: Volcanoes National Park

Day 3

Morning
A-Bay (Anaehoomalu)
Check water quality → live data
Afternoon
A-Bay (Anaehoomalu, sunset views over palm-fringed beach)
IF BROWN WATER IS ACTIVE
Try Spencer Beach or: Volcanoes National Park

Day 4

Morning
Kua Bay
Check water quality → live data
Afternoon
A-Bay (Anaehoomalu, sunset views over palm-fringed beach)
IF BROWN WATER IS ACTIVE
Try Richardson Beach or: Volcanoes National Park
Kauaʻi

Day 5

Morning
Poipu Beach
Check water quality → live data
Afternoon
Poipu Beach (consistent afternoon sun on the south shore)
IF BROWN WATER IS ACTIVE
Try Hanalei Bay or: Waimea Canyon (viewpoints above the clouds)

Day 6

Morning
Anini Beach
Check water quality → live data
Afternoon
Poipu Beach (consistent afternoon sun on the south shore)
IF BROWN WATER IS ACTIVE
Try Tunnels Beach or: Waimea Canyon (viewpoints above the clouds)

Day 7

Morning
Hanalei Bay
Check water quality → live data
Afternoon
Poipu Beach (consistent afternoon sun on the south shore)
IF BROWN WATER IS ACTIVE
Try Lydgate Beach or: Waimea Canyon (viewpoints above the clouds)

Day 8

Morning
Tunnels Beach
Check water quality → live data
Afternoon
Poipu Beach (consistent afternoon sun on the south shore)
IF BROWN WATER IS ACTIVE
Try Salt Pond Beach or: Waimea Canyon (viewpoints above the clouds)
⚠️ The 72-Hour Rain Rule

After heavy rain, wait at least 72 hours before entering the ocean. Check each beach's water quality page.

FAQ 1

How many days do I need for 2 Hawaiian islands?

We recommend at least 4 days per island. This 7-day itinerary gives you enough time to experience the best beaches on each island without rushing.

FAQ 2

What is the best order to visit Hawaiian islands?

Start with the most urban/accessible island (Oʻahu), then move to resort islands (Maui), and end with the most remote (Kauaʻi or Big Island). This lets you ease into the relaxation.

FAQ 3

How much do inter-island flights cost?

Inter-island flights on Hawaiian Airlines or Southwest typically cost $60-150 one way. Book 2-4 weeks ahead for best prices. Flights are 30-45 minutes between islands.

Book Tours & Activities
Top-Rated Hawaii Tours
Browse experiences across the islands
Viator
Compare Tours & Prices
Multiple operators, reviews, instant confirmation
GetYourGuide

Tours listed via Viator and GetYourGuide. Safe to Swim Hawaii may earn a commission if you book, at no extra cost to you.

Get Beach Alerts

Free alerts when advisories change at your beach.

⚠️ Important Disclaimer

Safe to Swim Hawaii is an independent passion project — it is not affiliated with the Hawaii Department of Health, any entity mentioned on this page, or any government agency or hotel brand. Water quality ratings on this site are estimates based on publicly available testing data and geographic analysis. They are not real-time measurements and may not reflect current conditions.

Always verify current water quality conditions with the Hawaii Department of Health Clean Water Branch before entering the water. This site is for informational purposes only and should not be the sole basis for any swimming decisions.

When in doubt, donʻt go out. 🤙

© 2026 Safe to Swim Hawaii · Independent passion project · safetoswimhawaii@gmail.com