Hawaii, four islands,
seventeen days.

Late August into early September 2022 — Maui to the Big Island to Kauai to Oahu. Sunrise on a volcano, the Road to Hana mile-by-mile, the Na Pali coast from a charter boat, and a final stretch on Oahu for Pearl Harbor and the North Shore. What follows is the full plan as I'd hand it to a friend.

The full itinerary, downloadable. Hotels, daily plan, reservations, food guide, what to skip — formatted PDF.
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When
Aug 26–Sep 11
Days
17
Islands
4
Hotels
5
Reservations
6
01 / Maui

Maui — five days upcountry.

Aug 26 → 31 · Volcano summit · Road to Hana · West-side snorkel
Stay
God's Peace of Maui
Upcountry Makawao — central, between west beaches and east Hana.
~$160/night
Day 01
Aug 26
Friday

Arrival in Maui.

Fly EWR → OGG. Pick up rental car, drive upcountry to Makawao. Settle in at God's Peace, scout the lay of the land. If energy permits, sunset at Kapalua Cliff House overlook.

Day 02
Aug 27
Saturday

Haleakalā sunrise, west beaches, luau.

  • Pre-dawn drive up Haleakalā for sunrise — book the reservation two months in advance via REC.GOV (window: 7am HST, 48 hours out is too late)
  • Bike ride down from summit (optional, if booked separately)
  • Whaler's Beach at Kaanapali — snorkel, blackrock
  • Kapalua Bay and Napili Bay — both excellent snorkel
  • Drums of the Pacific Luau, 5pm — ~$200/person
Mama's Fish House dinner reservation, 2:45pm — book months ahead.
Day 03
Aug 28
Sunday

Road to Hana, sunrise to sunset.

  • Start before sunrise — the road is what matters, not the destination
  • Twin Falls (mile marker 2), Eucalyptus rainbow trees, Garden of Eden
  • Ke'anae Lookout — Aunty Sandy's banana bread (M–S, 2pm)
  • Wai'ānapanapa Black Sand Beach — reservation required, 3–6 PM slot
  • Pipiwai Trail — bamboo forest + Waimoku Falls (4 mi round trip)
  • Seven Sacred Pools / Oheo Gulch
  • Wailua Falls (mile marker 45), Hanawi Falls, Makapipi Falls
  • Iao Valley on the way back if time permits
Eat: Paia Fish Market (blackened mahi mahi), Coconut Glen vegan ice cream, Nahiku Marketplace coffee, Braddha Hut's BBQ (M–F until 2:30pm).
Day 04
Aug 29
Monday

West Maui — snorkel and sunset sail.

  • Snorkel Blackrock at Kaanapali (rent gear from Aston)
  • Sunset catamaran cruise from Lahaina
  • Optional: whale watching (seasonal), Iao Valley, Paia Fish Market lunch
  • Dinner at Kimo's, Lahaina — 5:15pm
Day 05
Aug 30
Tuesday

West Ridge Trail and Honolua Bay.

  • Waihe'e Ridge Trail — start at 8am, ~2 hours, 4.4 mi / 2,600 ft elevation gain
  • Olivine Tide Pools (Nakalele Blowhole, 10 min from viewpoint)
  • Honolua Bay — snorkel access trail (~15 min walk in)
  • Sunset at Kaanapali Beach — Japengo for dinner

Maui — top spots by region.

Kapalua Bay (NW)
Snorkel · turtle territory · calm
Tier 1
Napili Bay (NW)
Snorkel · sunset point
Tier 1
Kapalua Coastal Trail
2.5 mi · all bays
Tier 1
Honokeana Cove
Turtle snorkel · Napili
Tier 1
Ho'okipa Beach (N)
Turtle snorkel · windsurfers
Tier 1
Olowalu Beach (W)
Turtle snorkel · calm
Tier 1
Honolua Bay
Best snorkel on the island
Tier 1
Kahakuloa Head (N)
Dramatic coastal headland
Tier 1
Lahaina town (W)
Banyan tree · Front Street
Tier 1
Iao Valley (C)
Lush state park
Tier 1
Mākena Beach (W)
Big & Little Beach · use caution
Tier 2
Molokini Crater
Boat-only snorkel
Tier 2

Maui — eat where.

Mama's Fish House
East · book months ahead · 2:45pm
Paia Fish Market
Blackened mahi mahi · Hana day fuel
Cuatro
Wailea/Kihei · 5:30pm · Aug 28
Kimo's
Lahaina · 5:15pm · Aug 29
Aunty Sandy's Banana Bread
Ke'anae Lookout · M–S, 2pm
Coconut Glen
Hana road · vegan ice cream
Hāna Farms Roadside Stand
Pizza oven · Fri/Sat until 8pm
Leoda's Bakery
West Maui · pies and pastries
02 / Big Island

Big Island — two days, the volcano.

Aug 31 → Sep 2 · Volcanoes National Park · Kona side · Hapuna
Stay
Alii Kane Cottages with Loft
Volcano village — sleeps near Volcanoes NP gate, easy night-volcano access.
~$130/night
Day 06
Aug 31
Wednesday

Maui → Big Island, night volcano.

  • Drop rental, drive to OGG airport
  • OGG → ITO flight, 4:45 – 5:20 PM (Hilo side)
  • Pick up Big Island rental, drive to Volcano
  • Night volcano viewing — verify Thurston Lava Tube is erupting on arrival day
Day 07
Sep 1
Thursday

Volcanoes National Park, full day.

  • Volcanic crater national park — full day exploration
  • Eastern lava areas in afternoon
  • Drive west across to Kona side for night two
Day 08
Sep 2
Friday

Kona snorkel, west beaches, fly to Kauai.

  • Two Steps at Honaunau Bay — go left for easy snorkel
  • Pu'uhonua o Honaunau National Historical Park
  • Punalu'u Black Sand Beach — south side, en route
  • Hapuna Beach — white sand, swim
  • Manini'owali Beach (Kua Bay) — white sand, near airport
  • 'Akaka Falls — easy boardwalk, dramatic drop
  • Flight KOA → HNL → LIH, 4:35 – 6:35 PM
Mauna Kea stargazing — book separately, requires a clear afternoon.

Big Island — top snorkel.

Hapuna Beach
White sand · kid-friendly swim
Richardson Beach Park
Easy · Hilo side
Kahalu'u Beach
Reef · easy entry
Honaunau Bay (Two Steps)
Morning · go left · easier
Captain Cook Monument
Kayak in · advanced
Kīkaua Point Park
Easy · west side
03 / Kauai

Kauai — four days on the garden island.

Sep 2 → 6 · Na Pali coast · Waimea Canyon · Hanalei · Poipu
Stay
Kauai Palms Hotel
Lihue — central, walking distance to airport, used as a base for both north and south day trips.
~$90/night
Day 09
Sep 3
Saturday

Na Pali coast — Holo Holo charter.

  • Na Pali coast Holo Holo Charters — full day boat tour
  • Snorkel stops along the coast, sea caves, dolphins likely
  • Recovery afternoon, swim at Lydgate Beach Park
Day 10
Sep 4
Sunday

North shore — Hanalei and Hā'ena.

  • Hā'ena State Park & Ke'e Beach — snorkel + Hanakāpī'ai Beach trail (4mi RT, reservation required)
  • Limahuli Garden and Preserve
  • Hā'ena Beach Park and Dry Cave — smoothie trailer
  • Hanalei Bay / pier — sunset, food trucks, bridge crossing
  • Anini Beach — snorkel, restrooms in county park
  • Kīlauea Lighthouse, Kīlauea Fish Market (M/W/F dinner only)
Day 11
Sep 5
Monday

South shore — Poipu and Koloa.

  • Shipwreck Beach + Mahaulepu Heritage Trail (rough water, scenic)
  • Poipu Beach — food, picnic, snorkel cove
  • Spouting Horn Park
  • Hanapepe town
  • Koloa town — old sugar mill, food trucks, shave ice
Day 12
Sep 6
Tuesday

Waimea Canyon and Kalalau lookouts.

  • Waimea Canyon State Park — drive the rim
  • Kekaha LO, Niihau LO, Pu'u Hinahina LO, Waipo'o Falls LO
  • Kalalau Lookout, Pu'u O Kila Lookout — cliff trail (0.8 mi, muddy)
  • Wailua Falls on the return
  • Fly LIH → HNL, 5:30 – 6:10 PM

Kauai — top spots by region.

Makana Charters (Na Pali)
Morning tour · 7:45am check-in
Tier 1
Hā'ena State Park · Ke'e Beach
Best snorkel + hike · reservation
Tier 1
Anini Beach
Snorkel · campground RR · high tide
Tier 1
Hanalei Bay & pier
Sunset · waterfall views · town
Tier 1
Poipu Beach
Snorkel + beach · south shore base
Tier 1
Tree Tunnel
500 trees · drive-through
Tier 1
Koloa town
Sugar mill · shave ice · art shops
Tier 1
Waimea Canyon
"Grand Canyon of the Pacific"
Tier 1
Wailua Falls
Roadside · twin falls
Tier 1
Beach House / Lawai
Snorkel left · 3–15 ft · RR
Tier 1
Kīlauea Lighthouse
Views · reservation
Tier 2
Shipwreck Beach
Hyatt · rough · Mahaulepu trail
Tier 2
04 / Oahu

Oahu — five days, Honolulu base.

Sep 6 → 11 · Pearl Harbor · Diamond Head · North Shore · Ko Olina
Stay
Marriott Ko Olina Beach Club
West side resort base — manicured lagoons, easy day trips to Honolulu and the North Shore.
Resort points
Day 13
Sep 7
Wednesday

Diamond Head + Waikiki.

  • Diamond Head Monument hike — 6–8am window, reservation via HAWAII.GOV
  • Waikiki beach, Honolulu lunch
  • USS Arizona Memorial — 3pm slot, REC.GOV booking 1 day before
  • Sunset back at Ko Olina
Day 14
Sep 8
Thursday

North Shore — Shark's Cove and food trucks.

  • Shark's Cove / Pupukea Beach — snorkel before 10–11am for best visibility
  • Waimea Beach, Laniakea (turtle beach)
  • Kahuku — Giovanni's shrimp truck (or Roy's Beach Club)
Day 15
Sep 9
Friday

East side — Hanauma and Lanikai.

  • Hanauma Bay — 7am HST reservation, book 2 days out
  • Lanikai Beach — white sand, calm
  • Waimanalo Beach — long stretch of white sand
Day 16
Sep 10
Saturday

Waimea Valley waterfall hike.

  • Waimea Valley waterfall hike
  • Kuilima Cove (turtle bay) — N snorkel, right side of cove
Day 17
Sep 11
Sunday

Fly home.

Pack up, last beach walk, return rental, HNL → EWR.

Oahu — top snorkel.

Shark's Cove / Pupukea (N)
Beginner south side · before 10am
Tier 1
Hanauma Bay (S)
Reservation · west side better
Tier 1
Kuilima Cove (N)
Right side of cove · turtles
Tier 1
Wailea Beach (E)
Snorkel
Tier 1
Papa'iloa Beach (N)
Turtles · 5 parking
Tier 1
Ko Olina (W)
Resort lagoons · calm
Tier 1
Laniakea (WNW)
Turtles on beach
Tier 1
Queen's Beach (S)
Next to the wall
Tier 2
Waimea Beach (N)
Beginner snorkel · winter waves
Tier 2
Electric Beach (W)
Non-beginner · open water
Tier 2
05 / Reservations

Reservations to book ahead.

Hawaii has tightened access to its most popular sites since 2020. Several of these have hard caps and book up; the rest are easy walk-ups with confirmation. Book the top three the day windows open.

Site Window Time slot Book at Island
Haleakalā sunrise48 hours out7am HSTrecreation.govMaui
Wai'ānapanapa Black Sand30 days3–6 PMstate park siteMaui
USS Arizona Memorial1 day before3pm HSTrecreation.govOahu
Diamond Head30 days6–8amhawaii.govOahu
Hanauma Bay2 days out7am HSThanaumabay siteOahu
Hā'ena State Park30 daysanystate park siteKauai
06 / Lessons

What I'd change.

Honest notes from the trip — what worked, what didn't, what I'd do differently.

Skip / Less time

Big Island deserves more than two days.

Hilo and Kona are effectively two trips. Two days felt rushed — pick a side or budget four full days minimum. Volcano on the east, snorkel on the west, and the drive between them eats half a day.

Add

Mauna Kea stargazing is non-negotiable.

If you have a clear afternoon on the Big Island, go. The summit closes at sunset, but the visitor center observation site stays open for stargazing — book a tour or DIY in a 4WD.

Lock in early

Mama's Fish House. Two months out, minimum.

The single hardest reservation on Maui. Book the moment the calendar opens; lunch slots are easier than dinner.

Pacing

Road to Hana is a full day, not a half.

Start before sunrise, expect to be back after dark. The lookouts and falls are the trip; rushing past them defeats the point. Don't try to combine Hana with anything else.

Snorkel

Honolua Bay (Maui) was the best of the trip.

Better than Molokini, better than Hanauma. The 15-minute walk in keeps casual tourists out, water is clear, fish are everywhere. Go early.

Stay

Upcountry Maui beats the resort strip.

God's Peace in Makawao was a great choice — central, quiet, real Maui. The Kaanapali resort run is fine for a luau day but I wouldn't sleep there.