Sparkling water price in Boston.
Estimated prices for sparkling water (8-pack 12 oz) across all four major grocery delivery services in Boston, MA.
Sparkling water · 8-pack 12 oz
Northeast Urban- Instacart — AldiCheapest$4.33
- Walmart+$4.70
- Instacart — Wegmans$5.17
- Amazon Fresh (Prime)$5.51
- Instacart — Sprouts$5.55
- Whole Foods Market$6.73
Shelf price only — total delivered cost depends on basket size, fees, and tip.
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How we got these numbers
- Instacart — Aldi:Category multiplier against Walmart base, adjusted for Northeast Urban ($4.33)
- Walmart+:Regional baseline ($4.70)
- Instacart — Wegmans:Category multiplier against Walmart base, adjusted for Northeast Urban ($5.17)
- Amazon Fresh (Prime):Live observation from Oct 14 ($5.51)
- Instacart — Sprouts:Category multiplier against Walmart base, adjusted for Northeast Urban ($5.55)
- Whole Foods Market:Live observation from Oct 14 ($6.73)
Live observations come from public weekly ads (Aldi, Whole Foods) and BLS Average Retail Food Prices, refreshed daily. Estimates use a per-category multiplier calibrated to NPR, Consumer Reports, and Tasting Table grocery comparison studies.
Why this category prices the way it does
Beverages — coffee, juice, soda — have the widest pricing band because shelf-pricing competition is fierce, but online delivery pricing often drops the in-store discounts.
Boston grocery context
Boston's grocery scene is shaped by the local Stop & Shop (Ahold Delhaize), Star Market (Albertsons), Market Basket (cult favorite, not on Instacart), and Roche Bros. Wegmans has multiple Boston-area stores (Newton, Burlington, Medford) with strong local following. Aldi has dense MA coverage. Whole Foods has multiple Boston and Cambridge locations. The metro's narrow streets and college-density mean delivery vehicles often double-park briefly — building access varies hugely between Back Bay brownstones and South End apartments.
Boston shoppers consistently get the best value from Instacart-Aldi for staples. Add Wegmans-via-Instacart for produce and prepared foods — the Newton and Medford stores have wide same-day windows. For Cambridge and Somerville, Trader Joe's is the cheapest premium fill-in option.
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