Iceland Road Trip

Mike & Jennifer

September 28 – October 6, 2026 · 9 days, 7 nights
Full trip route overview, all days combined
Full trip route — all days combined — click to enlarge
Northern Lights — Your Odds & Best Nights

Late Sept–early Oct rides the "equinox boost" (Sept 23) and sits right in one of the two best windows of the year — early Oct 2026 forecasts put odds at roughly 60-65% for at least one visible display across any 3-night stretch. Check vedur.is (already in your daily routine) for the real-time Kp/cloud forecast each night. Typical viewing window: 10pm-2am, though October darkness comes earlier so you often don't need to stay up that late.

9/29-9/30 — Sand Hotel
Weak — city light pollution
10/1-10/3 — Hótel Lóa
Good — rural, 3 chances
10/4 — Magma Hotel
Excellent — very remote/dark
10/5 — Northern Light Inn
Excellent — wake-up call service + 360° observation lounge
Daily Activities
● Walking/Town ● Nature Viewing ● Hot Springs ● Eating P# = priority tier
P1 Money paid P2 Reservation only P3 Highly desirable P4 Good choice P5 Take it or leave it
Mon 9/28
Depart 11:54
Tue 9/29
6:15–3:00
Land, pick up car
P4 Breakfast
P3 Walk to church
P4 View lighthouse (tide-dependent)
P5 Wine & cheese errand
Wed 9/30
9:30–5:45
P2 Soak in tidal hot springs
P5 View powerful hot spring
P5 Walk historic saga village
P3 View waterfalls
Thu 10/1
11:00–4:00
P5 Coastal walk & maritime museum
P5 Coastal walk
P5 View lighthouse & fishing hut
P4 Happy hour
Fri 10/2
10:00–2:30
P3 View waterfall (walk behind it)
P4 View hidden waterfall
P3 View waterfall (stairs optional)
Sat 10/3
10:00–5:30
P4 View volcanic crater lake
P3 View erupting geyser
P2 Soak in geothermal lagoon (new/upscale)
Sun 10/4
9:00–3:30
P3 View glacier lagoon & icebergs
P3 Walk black sand beach (ice chunks)
P3 View 2nd glacier lagoon (quieter)
Mon 10/5
9:30–6:00
P3 View black sand beach & basalt columns
P3 View sea arch & lighthouse
P5 Walk small coastal town
Tue 10/6
10:00–2:00 · flight 4:50
P1 Soak in geothermal lagoon
P4 Lunch on site
Meal Plans

Breakfast is included with all four hotels — except 9/29, our first morning (still en route/checking in).

Tue 9/29
BRK8:00 — Sandholt
DINEvening — Íslenski Barinn
Wed 9/30
LUN1:00 — Hraunfossar Cafe
DIN7:00 — Messinn ✓
Thu 10/1
LUN1:30 — Fjöruborðið ✓
DINEvening — Restaurant Loa
Fri 10/2
LUN1:00 — Mia's / Hotel Skógafoss
DINEvening — Gallery Pizza
Sat 10/3
LUN1:15 — Geysir Center
DIN7:00 — Eldstó Art Cafe ✓
Sun 10/4
LUN1:10 — Frost Restaurant
DIN7:00 — Magma Hotel ✓
Mon 10/5
LUN12:30 — Suður-Vík
DIN7:30 — Fish House / Röstin
Tue 10/6
LUN12:30 — Blue Café
Every Morning in Iceland
MON 9/28

Depart Sacramento

Flight (Icelandair)
Confirmed
Rental car (Blue Car Rental)
UDC8C6
Route
RVK → South Coast → Jökulsárlón → Reykjanes
11:54 AM P1 Depart SMF — Icelandair Confirmed
Icelandair
Overnight flight · lands KEF (Keflavík — KEHP-la-veek) 6:15 AM next day
Food pre-booked for both flights — Icelandair doesn't include free meals. Confirmed: seatback entertainment screens available inflight.
TUE 9/29

Arrive & Reykjavík

Reykjavík — RAKE-yah-veek
Day 1 map — Grótta and downtown Reykjavík
Route overview — click to enlarge
Day 1 map — downtown walking loop detail
Downtown walking loop — click to enlarge
Whole day depends on check-in timing Contingency plan
Plan: email Sand Hotel on 9/28 requesting early check-in (see Pre-Trip To-Do box), then call the front desk once you've landed to confirm actual timing. If check-in is late (3pm): do everything below to stay busy. If check-in comes early (e.g. noon): cut down to just breakfast + the church walk, then go check in and rest instead of forcing the rest of the list. Priority order if cutting: 1) Breakfast (non-negotiable, everyone eats) 2) Church walk (low effort, right there) 3) Grótta (first to cut — adds real drive time) 4) Wine/cheese errand (second to cut — can shift to another day since Vínbúðin exists elsewhere too).
6:15 AM Land at KEF Confirmed
Passport control + bags ≈30 min. Iceland is Schengen — manual passport line, not e-gates, if arriving direct from the US.
≈7:00 AM Pick up rental car — Blue Car Rental Confirmed
Confirmed · Kia Cee'd Sportswagon, automatic
Not a driving direction, a walking one: from arrivals, walk toward the Departures Hall side, then cross the P1 parking lot (~3–4 min) to Blikavöllur 3. Bring booking confirmation, driver's license, credit card in Mike's name. Do online check-in before you fly to speed this up.
≈8:00 AM P4 Breakfast — Sandholt Plan
Sandholt — SAND-holt
Opens 7:30 AM. Right at the hotel (Laugavegur 36, two doors from Sand Hotel at 34) — lamb sandwiches, pastries, good coffee. Grab a couple extra pastries/bakery items to go — easy casual lunch for today or another day.
≈8:45 AM P3 Walk: Skólavörðustígur → Hallgrímskirkja Plan
Hallgrímskirkja — HATL-greems-KIRK-ya · Skólavörðustígur — SKOH-la-vur-thu-stee-gur
Rainbow Street up to the church, ~4-5 min each way from the hotel. Easy, flat, good for a jet-lagged morning. Optional elevator up the tower for a city view. Loop back to the car afterward.
≈9:30 AM P4 Drive to Grótta Lighthouse Plan — tide dependent
Grótta — GROH-tah
~10–15 min drive. Causeway only walkable at low tide. Sept 29 low tide ≈1:53 PM — causeway should be crossable roughly 10:30 AM–4:30 PM, so a ~9:30 AM departure lines up well. Check conditions on arrival; wind can affect water levels beyond the standard prediction. Free parking on site.
≈11:00 AM P5 Vínbúðin (wine) + Bónus or Krónan (cheese, crackers) Plan — errand run
Vínbúðin — VEEN-boo-thin · Bónus — BOH-nus · Krónan — KROH-nan
Drive back toward downtown. Vínbúðin (state liquor monopoly — the only place wine is sold) opens around 11am weekdays. Wine: ask staff for "unoaked chardonnay" directly (most speak English), or look for Chablis (French Chardonnay, traditionally unoaked/steel-fermented) or a New World bottle explicitly labeled "unoaked" on the front. Pair with a stop at Krónan, Hallveigarstígur for an easy finger-food spread: harðfiskur (dried fish, eaten with butter — genuinely iconic, protein-rich, easy to snack on), thin-sliced hangikjöt (smoked lamb, works like charcuterie), Icelandic cheeses, flatkökur or rúgbrauð (flatbread/rye bread), and crackers. Regular supermarkets only sell low-alcohol beer, not wine, so both stops are needed. Do this before parking for the day, not after.
15:00 (asking earlier) Park for the day & check in — Sand Hotel Confirmed
Confirmed · Deluxe Room · 2 nights
No hotel parking — nearest paid lot is ~25m away, €25/day, staffed 9 AM–6 PM (confirm with hotel whether overnight/in-out access works, since you'll want the car early on 10/1). Park here once errands are done, not before. Standard check-in 3 PM; front desk is 24/7 and will hold bags earlier. Following up directly to ask about a paid early check-in (~$50) around 10 AM. Laundry: hotel offers drop-off/valet service, priced per item (socks ~$1.34/pair, shirts ~$4.32 — far cheaper than US hotel laundry). Even better: Wash Laundromat at Grettisgata 3 is genuine self-service, right on the same street as the hotel — ~$6.50/wash (up to 10kg) and ~$6.50/dry, so a full load runs ~$13. Elevator: yes.
Evening P4 Dinner — Íslenski Barinn (The Icelandic Bar) Leaning toward this — no reservation
Íslenski Barinn — EES-len-skee BAH-rin
~7-10 min walk from Sand Hotel, on Ingólfsstræti just off Laugavegur. Casual, lively pub serving real Icelandic dishes — no reservations, rarely more than a 10 min wait. Order this: the gratinated fish pie (haddock, onion, cheese, béarnaise) or the lamb shank — both consistently praised. Kjötsúpa (lamb soup) is the safe, comforting option. Heads up: the menu also includes whale and puffin (marinated fin whale on the sharing board, a puffin skonsa sandwich) — per the food guide, both are worth thinking twice about rather than ordering by default.
Ideas & things to add

Backups if Íslenski Barinn has too long a wait: Sægreifinn (Sea Baron, harbor, ~15-20 min walk) or The Laundromat Cafe (central, low-key).

WED 9/30

West Iceland: Waterfalls & Hot Springs

Day 2 map — West Iceland loop through Hvalfjörður and Borgarfjörður
Route overview — click to enlarge
~9:30 AM Depart Sand Hotel, take Route 47 through Hvalfjörður Plan
Take the fjord road (Route 47), not the tunnel — that's what makes Hvammsvík fall right on the way. Glymur ruled out — no roadside view exists (it's hidden in a valley, hike-only), so no detour there.
10:30 AM-12:30 PM P1 Hvammsvík Hot Springs Confirmed — booked
Hvammsvík — KVAMS-veek
Confirmed · 10:30 AM, 2 guests
~45 min from Sand Hotel, right on Route 47. Eight natural pools built into the Atlantic shoreline — at high tide, cold seawater mixes into the geothermal pools, shifting the temperature as you soak. Seals common, whales occasionally pass through. Wilder/more unique feel than Krauma. Earliest booking slot is 10:30 AM — booked accordingly, and the better tide timing too (later slots drift further from the 8:17am high tide). Sept 30 high tide is 8:17 AM, so you'll be ~2h15m past peak — mixing effect still present but tapering toward the 2:33pm low. Bring your own swimsuit; towel included with admission. Wading shoes recommended (rentable) if going into the ocean itself. Temp range 41°F cold plunge to 108°F hot pools. Price: confirmed by email with Hvammsvík — they do use dynamic pricing based on day/time (not web traffic/browsing), so the jump from $60 to $86/person was expected behavior, not a glitch. Booked at $86/person.
~1:15 PM P5 Deildartunguhver Anchor stop
Deildartunguhver — DAYL-dar-TOON-goo-kver
Europe's most powerful hot spring — dramatic steam, only takes 10-15 min to see, no admission fee. Continue on from Hvammsvík.
~1:45-2:20 PM P5 Reykholt — Saga walking loop Easy add
Reykholt — RAKE-holt
Historic Snorri Sturluson site — flat, easy paths connecting Snorralaug (centuries-old stone geothermal pool), the church, and Snorrastofa cultural center. Not a formally documented "trail" so much as a short connected loop — allow ~30-35 min to walk it properly rather than just glance at the pool.
~2:30-3:30 PM P4 Lunch — Hraunfossar Restaurant-Cafe Plan
Right at the falls. Warm buffet — lamb stew, fresh bread, soups. Good reviews specifically as a warm-up spot. Backups if closed/full: Húsafell Bistró (5 min further) or Hverinn Restaurant & Bar (~15 min, Kleppjárnsreykir).
~3:30-4:00 PM P3 Hraunfossar & Barnafoss Anchor stop
Hraunfossar & Barnafoss — HROYN-foss-ar & BAR-na-foss
Two beautiful waterfalls right next to each other, easy walkways. Kept to ~30 min here to offset the extra Reykholt time — you'll have already had plenty of soaking/steam time at Hvammsvík and Deildartunguhver.
~4:00-5:45 PM Drive back to Reykjavík Plan
~1h15m buffer before dinner — tighter than before since the day starts later, but still workable.
7:00–9:00 PM P2 Dinner — Messinn Confirmed
Messinn — MESS-in
Confirmed · 2 guests · via Dineout
Seafood restaurant. Table held 15 min past reservation time. Order this: the Arctic char, pan-fried with honey and almonds — their signature dish, served sizzling in the skillet. Plokkfiskur (Icelandic fish stew) is the other standout if char doesn't call to you.
Ideas & things to add

Víðgelmir lava tube cave (near Húsafell) — left as an option only, not scheduled. Needs a guided tour booking and would push the day past comfortable dinner timing, so only pursue by trading out another stop.

THU 10/1

Coastal Villages & South Coast Drive

Day 3 map — Reykjavík to Eyrarbakki, Stokkseyri, Hvolsvöllur
Route overview — click to enlarge
Day 3 map — Eyrarbakki walking detail
Eyrarbakki walking detail — click to enlarge
~11:00 AM Check out — Sand Hotel Confirmed
~11:45 AM-12:45 PM P5 Eyrarbakki — coastal walk & Maritime Museum
Eyrarbakki — AY-rar-BAHK-kee
Plan
~45 min drive via Route 1 → Selfoss → Route 34. Small historic fishing village — black wooden church, old timber houses, rocky shoreline path along the Atlantic. Maritime Museum (Sjóminjasafnið, Tungata 59) has the historic 12-oared boat Farsæll — regular season is May 1-Sept 30, so confirm it's open Oct 1 before counting on it.
~12:50-1:20 PM P5 Stokkseyri — coastal walk
Stokkseyri — STOHK-say-ree
Plan
~5-10 min drive from Eyrarbakki, no backtracking. Known for its shoreline and birdlife — good stretch before lunch.
1:30 PM P2 Lunch — Fjöruborðið (Stokkseyri) Confirmed
Fjöruborðið — FYUR-oo-bor-thith
Reservation confirmed. Legendary seaside lobster/langoustine restaurant, famous for the lobster soup.
~2:00-2:45 PM P5 Knarrarósviti Lighthouse + Þuríðarbúð Plan
Knarrarósviti — K'NAR-rar-ohs-vee-tee · Þuríðarbúð — THOO-rith-ar-booth
Knarrarósviti: ~5 km east of Stokkseyri, Iceland's first reinforced-concrete lighthouse (1938), open shoreline walk. Þuríðarbúð: reconstructed fishing hut in Stokkseyri itself honoring Þuríður Einarsdóttir, a famous female fishing captain — 5-10 min stop, zero extra driving. Both fit the coastal-walk theme without extending the day much.
~3:00-4:00 PM Drive to Hvolsvöllur Plan
~4:00 PM Check in — Hótel Lóa Confirmed
Lóa — LOH-ah (Icelandic for "golden plover," a bird)
Confirmed · Superior Room · 3 nights (base through 10/4) · Hvolsvöllur — KVOLS-vut-lur
Laundry: not clearly confirmed for this specific hotel — worth asking front desk directly if needed, especially since you're here 3 nights. Elevator: likely yes (one source confirms), not fully certain.
~4:00-7:00 PM P4 Happy Hour — Hótel Lóa's own bar/lounge Plan — cocktails with a view
Cozy lounge, mountain views, daily happy hour 4-7pm. No need to go anywhere else — this is your "cocktails with a great view" moment for the day.
Evening P4 Dinner — Restaurant Loa (at the hotel) Plan
Contemporary Nordic dishes, local Icelandic ingredients. Zero extra travel after a full day — you'll already be there for Happy Hour.
Ideas & things to add

Deliberately kept light — no waterfalls today. Seljalandsfoss, Skógafoss, etc. moved to 10/2's dedicated waterfall day.

FRI 10/2

Waterfall Day

Day 4 map — Hvolsvöllur to Gljúfrabúi and Kvernufoss area
Route overview — click to enlarge
Day 4 map — Skógafoss parking detail
Skógafoss detail — click to enlarge
Day 4 map — Seljalandsfoss and Gljúfrabúi detail
Seljalandsfoss/Gljúfrabúi detail — click to enlarge
10:00 AM Depart Hótel Lóa Plan
Later, easier start — no early deadline today.
10:20-11:00 AM P3 Seljalandsfoss Anchor stop
Seljalandsfoss — SEL-ya-lands-foss
~20 min drive. Walk behind the falls.
11:00-11:30 AM P4 Gljúfrabúi Anchor stop
Gljúfrabúi — GLYOO-vra-BOO-ee
Adjacent to Seljalandsfoss, short walk. Hidden waterfall tucked in a canyon.
12:00-1:00 PM P3 Skógafoss Anchor stop
Skógafoss — SKOH-ga-foss
~25-30 min drive from Seljalandsfoss. Massive, iconic. Stairs to the top if you want the view.
1:00-1:45 PM P4 Lunch — weather call Mia's (dry) or Hotel Skógafoss Restaurant (rain)
Right at Skógafoss, no extra driving. If dry: Mia's Country Grill (Sveitagrill Míu) — red food truck, excellent fish and chips, Tripadvisor Travellers' Choice winner, outdoor seating only, open 12:00-4:00pm. If rain: Hotel Skógafoss Restaurant — proper indoor sit-down, arctic char well-reviewed. Decide when you get there based on the weather.
1:45-2:30 PM Drive back toward Hótel Lóa Plan
Afternoon Free time / rest Plenty of buffer — plane wreck cut, day is relaxed
Evening P4 Dinner — Gallery Pizza Restaurant Plan
Right in Hvolsvöllur — no drive needed. Pizza + Chinese food fusion, reviewers specifically praise it as "authentic Chinese food," one of the best pizzas they've had in years. Vintage diner vibe, no WiFi (encourages conversation), reasonable prices, good vegetarian/vegan options. A real break from the traditional Icelandic food that's been most of the trip.
Optional P5 Rangá Wine Bar — upscale nightcap option Optional add — lighter/cheaper than the full restaurant
If you want a taste of Hotel Rangá without the $30-soup dinner: the bar (Barseðill) has its own separate, lighter menu — cheese plates, wine by the glass, champagne, one of Iceland's most extensive whiskey collections. Roughly $18-30/dish rather than full dinner prices. Could pair with the on-site stargazing observatory if skies are clear. Not required — just an option if you want a taste of the property after Gallery Pizza.
Ideas & things to add

Sólheimasandur plane wreck cut — widely considered overrated, not worth the detour given Jökulsárlón is already on 10/4. Left the afternoon open/relaxed instead.

SAT 10/3

Craters, Geysers & Laugarás Lagoon

Day 5 map — Hvolsvöllur to Reykholt/Flúðir area loop
Route overview — click to enlarge
~10:00 AM Depart Hótel Lóa Plan
~11:00-11:45 AM P4 Kerið Crater
Kerið — KEH-rith
Anchor stop
~1hr drive via Selfoss. Striking volcanic crater lake, easy walk around the rim.
~12:15-1:15 PM P3 Strokkur / Geysir geothermal area
Strokkur & Geysir — STROHK-oor & GAY-seer
Anchor stop
~30-40 min further. Strokkur erupts every 6-10 min. Walk the geothermal field.
~1:15-2:00 PM P4 Lunch — Geysir Center Plan
Right there — restaurant/cafeteria at the Geysir visitor center, no extra driving.
~2:00-2:20 PM Drive to Laugarás Lagoon Plan
Short drive — Laugarás sits right between Kerið and Geysir on your existing route, so this barely adds anything.
2:30 PM P1 Laugarás Lagoon soak
Laugarás — LOY-gar-ows
Confirmed — booked
Confirmed · 14:30 admission, 2 guests
Brand new (opened Oct 2025) — two-tiered geothermal pool with a waterfall feature on the Hvítá river, two saunas, swim-up bar, cold plunge, forest pool. More polished/upscale than Secret Lagoon's rustic style. No meal package — lunch is separate at Geysir Center. No time limit once inside once you're in. Must arrive within 30 min of 2:30 — late arrivals may not be admitted, so don't let lunch run long.
~4:00-5:30 PM Drive back to Hótel Lóa Plan
7:00 PM P2 Dinner — Eldstó Art Cafe Confirmed
Eldstó — ELD-stoh
Reservation confirmed. Small, genuinely artsy space filled with handmade pottery and local craftwork. Known for Icelandic fish stew and lamb stew with rosemary, plus a self-serve vegan soup with unlimited fresh bread.
Ideas & things to add
SUN 10/4

Glacier Lagoons & Further East

Day 6 map — Hvolsvöllur to Kirkjubæjarklaustur and Jökulsárlón area
Route overview — click to enlarge
~9:00 AM Check out — Hótel Lóa Confirmed
Long day ahead — earlier start than the leisurely 10am we've used on lighter days.
~11:40 AM-1:00 PM P3 Jökulsárlón Glacier Lagoon + Diamond Beach
Jökulsárlón — YER-kuls-OW-lohn
Anchor stop
≈2h40m drive from Lóa. Icebergs drifting through the lagoon, ice chunks washed up on the black sand across the road. Too early in the season for ice caves (those run Nov–Mar). Small park/parking fee (~1,040 ISK for a car, valid until midnight).
~1:10-2:30 PM P3 Fjallsárlón + lunch at Frost Restaurant
Fjallsárlón — FYATLS-OW-lohn
Anchor stop — added after review comparison
~10 min further down the road, not a separate detour. Widely reviewed as a strong complement to Jökulsárlón — smaller, closer glacier-wall views, far fewer crowds ("This is better than Jökulsárlón" per one review). Free parking. Frost Restaurant on site: self-service buffet, glacier views through panoramic windows, solidly reviewed (3.6-4/5), open 10am-4pm. Try the lamb soup.
~2:30-3:30 PM Drive to Magma Hotel Plan
~3:30 PM Check in — Magma Hotel Confirmed
Confirmed · Double/Twin Room · Kirkjubæjarklaustur — KIRK-yoo-bye-ar-kloy-stur
Elevator: confirmed — no elevator (small cabin-style property, worth knowing if luggage/stairs matter for one night). Laundry: not confirmed, likely not available given the size/style of the property. Northern Lights: this is your best viewing location all trip — genuinely remote, very dark skies, one review specifically noted even the short walk back to your room can turn into an aurora moment. Wake-up call service not confirmed like at Northern Light Inn — worth asking at check-in.
7:00 PM P2 Dinner — Magma Hotel Confirmed
Confirmed directly by email with Benedetta P. Under Jennifer & Michael Turco.
Ideas & things to add

Skaftafell (Svartifoss waterfall, hiking) considered and left out — well-reviewed but a real 1.5-2+ hr commitment on a day that's already long. Fjaðrárgljúfur canyon is also near Magma if there's energy left after check-in.

MON 10/5

Black Sand Coast to the Final Night

Day 7 map — Kirkjubæjarklaustur to Vík to Grindavík overview
Route overview — click to enlarge
Day 7 map — Reynisfjara and Dyrhólaey detail
Reynisfjara/Dyrhólaey detail — click to enlarge
~9:30-10:00 AM Check out — Magma Hotel Confirmed
~10:00-10:50 AM Drive to Vík area Plan
~50 min. First leg of the return drive — Vík sits almost exactly on the route back.
~10:50 AM-12:30 PM P3 Reynisfjara + Dyrhólaey
Reynisfjara — RAY-nis-FYAH-ra · Dyrhólaey — DIR-hoh-lah-ay
Anchor stop — coast day
Minutes apart from each other. Reynisfjara: black sand beach, basalt columns, sea stacks. Dyrhólaey: dramatic sea arch, lighthouse, sweeping coastal views — walk from the lower viewpoint to the lighthouse is ~20-30 min uphill if you want it.
~12:30-1:15 PM P4 Lunch — Suður-Vík Plan
Suður-Vík — SUH-thur-veek
Highest-rated in town (4.5★, ~1,950 reviews) — cozy hillside setting, scenic views. Known for smoked Arctic char, deep-fried Camembert with red currant jelly, and excellent pizza. Ask for upstairs window seating if available. Backups if needed: Halldórskaffi (historic 1829 building, also houses Katla Visitor Center) or Strondin Pub (coastal views, easy/no-fuss).
~1:15-1:45 PM P5 Walk around Vík (if energy allows)
Vík — VEEK
Optional
Small, charming — church on the hill, easy to combine with lunch stop.
~1:45 PM Continue to Northern Light Inn Plan
~3.5-4 hrs remaining. Comfortable buffer before the 7:30pm Lava dinner.
~5:30-6:00 PM Check in — Northern Light Inn Confirmed
Confirmed · Superior Room w/ SPA access · Grindavík — GRIN-da-veek
Laundry: drop-off/valet service only (no self-service laundromats in Grindavík) — priced per item, similar range to Sand Hotel (~$1-4/item), much cheaper than US hotel pricing. Elevator: yes. Northern Lights: ask at check-in about the aurora wake-up call service, and check out the 360° observation lounge on the 2nd floor after dinner.
7:30 PM P4 Dinner — Fish House Bar & Grill or Röstin Plan — two good options
Fish House Bar & Grill (Hafnargata 6, Grindavík): right on the harbor, family-owned, casual vintage decor (old fishing barrels and logs), fish/steaks/pizza/burgers, open until 9pm. Sometimes live music on weekends in the adjoining hall (Gígurinn). Fun, low-key pick. Order this: the fish and chips (thin, crispy batter) or the Arctic char (crispy skin) — both consistently praised; cheese breadsticks as a starter if you want one. Röstin (RUR-stin) (Garðskagi — GARTH-ska-yee, upstairs in the heritage/maritime museum by the lighthouses): coastal setting, local fish/seafood, doesn't take reservations for parties under 8 — just walk in. More "classic Iceland final dinner" feel if you're near Garðskagi anyway — no standout dish confirmed, but the setting itself is the draw. Both are casual, not fussy — pick whichever fits the mood or where you end up that day.
Ideas & things to add

Vík lunch spot still TBD. Spa at NLI not being used, so evening is just dinner at Lava.

TUE 10/6

Blue Lagoon & Depart

Day 8 map — Blue Lagoon to Keflavík Airport
Route overview — click to enlarge
10:00 AM P1 Blue Lagoon Confirmed
Confirmed · 2x Comfort admission
100% refundable if cancelled within 24 hours — noted for reference, though it stays a "1" since the money is already paid either way. Hair tip: the water's high silica content can leave hair stiff/straw-like if unprotected (a real, common effect, specific to Blue Lagoon — not the other two soaks). Rinse hair with clean water first, then apply a generous amount of conditioner and leave it in the whole time (Blue Lagoon provides it free in the showers) — this largely prevents it.
12:30-1:30 PM P4 Lunch — Blue Café Plan
No reservation necessary. Right there after the lagoon, before heading to the airport.
2:00 PM Return rental car — Blue Car Rental Confirmed
Same office at Blikavöllur 3, KEF. There's some flexibility here if needed — 2:00pm gives ~2h40 buffer before the 4:50pm flight, above the standard 2.5hr international guideline, so pushing to 2:15-2:30pm if the lagoon/lunch run long is still safely fine.
4:50 PM P1 Depart KEF — Icelandair Confirmed
Arrive SMF 9:44 PM same day
Food pre-booked for this flight too.
Living document — add to any day as more gets decided. Confirmed items in green, suggested/optional in blue, still-open items in amber.
Packing List