Nutrition Breakdown

Z's Oyster Bar & Steakhouse Downtown Calories — Lowest to Highest

Browse calorie values for Z's Oyster Bar & Steakhouse Downtown menu items, with official nutrition where available and estimated calories for uncovered items. Updated August 2026.

Coverage

100%

Average Calories

284 kcal

Lowest Item

81 kcal

Highest Item

390 kcal

29 / 29 items resolved USDA database: 10 Estimated: 19

Lowest Calorie Items at Z's Oyster Bar & Steakhouse Downtown

Use this ranking to find lighter menu options quickly

Full menu →
# Item Category Source Calories
1 Z's Crab Cakes seafood our specialties USDA 81 kcal
2 Jumbo Alaskan King Crab Legs seafood our specialties USDA 95 kcal
3 Oyster or Shrimp Po 'Boy sandwich USDA 104 kcal
4 Rainbow Trout seafood our specialties USDA 115 kcal
5 Jumbo Sea Scallops seafood our specialties USDA 126 kcal
6 Opah Moonfish hawaii's best aloha USDA 174 kcal
7 Trout and Crabmeat seafood our specialties USDA 178 kcal
8 Greek shrimp salad soups and salads Estimated 180 kcal
9 Seared Ahi Tuna Salad soups and salads Estimated 180 kcal
10 Z's Prime Meatloaf Sandwich sandwich USDA 217 kcal
11 Soup of the Moment soups and salads Estimated 220 kcal
12 Z's Tuna Melt sandwich USDA 233 kcal
13 Shrimp or Fish Tacos daily seafood entrees Estimated 280 kcal
14 Dover Sole seafood our specialties USDA 291 kcal
15 Chicken Panzanella Salad soups and salads Estimated 305 kcal
16 Ahi Bigeye Tuna daily seafood entrees Estimated 390 kcal
17 Ahi Bigeye Tuna hawaii's best aloha Estimated 390 kcal
18 Ahi Ceviche starters Estimated 390 kcal
19 Ahi Sashimi starters Estimated 390 kcal
20 Ceviche starters Estimated 390 kcal
21 Fanny Bay Oysters oysters on the half shell Estimated 390 kcal
22 Kusshi Oysters oysters on the half shell Estimated 390 kcal
23 Lobster Bisque starters Estimated 390 kcal
24 Lobster Tail lobsters Estimated 390 kcal
25 Opah Moonfish daily seafood entrees Estimated 390 kcal
26 South Bay Oysters oysters on the half shell Estimated 390 kcal
27 Surf & Turf lobsters Estimated 390 kcal
28 Walu Hawaiian Butterfish daily seafood entrees Estimated 390 kcal
29 Walu Hawaiian Butterfish hawaii's best aloha Estimated 390 kcal
Nutrition sync is temporarily paused Missing official items: 19

Highest Calorie Items

Top calorie-dense picks based on current nutrition data

Ahi Bigeye Tuna

daily seafood entrees 390 kcal

Ahi Bigeye Tuna

hawaii's best aloha 390 kcal

Ahi Ceviche

starters 390 kcal

Ahi Sashimi

starters 390 kcal

Ceviche

starters 390 kcal

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How Estimated Calories Are Calculated

When official nutrition is unavailable, calorie values are estimated using menu-item keywords and then adjusted by portion size. These values are directional for comparison, not medical nutrition advice.

  • Base estimate: item-name tokens (for example burger, fries, salad, pizza, shake) map to baseline calorie ranges.
  • Portion weighting: ounce and gram values adjust the estimate (about 8 oz = 1.0x, about 230 g = 1.0x), then the value is capped within a safe range.
  • Size modifiers: small/kids items apply a lower multiplier, while large/xl/family/double items apply a higher multiplier.
  • Final output: estimates are rounded to whole calories and shown as Estimated in the source column.

Z's Oyster Bar & Steakhouse Downtown Calories — Frequently Asked Questions

Questions about calorie values, estimates, and nutrition coverage.

How many Z's Oyster Bar & Steakhouse Downtown items have calorie data?
Z's Oyster Bar & Steakhouse Downtown currently has calorie values for 29 of 29 menu items (100% coverage). We first use official nutrition sources when available, then apply estimation fallback for unresolved items.

What is the lowest-calorie item at Z's Oyster Bar & Steakhouse Downtown?
The lightest item currently tracked is Z's Crab Cakes at approximately 81 kcal. Use the ranked table to find other low-calorie meal choices.

Are Z's Oyster Bar & Steakhouse Downtown calorie values official or estimated?
This page uses a hybrid model: 10 items use USDA database estimates, while 19 items are algorithmic estimates. Both are directional for comparison, not medical guidance.

Where can I compare calories and prices together?
Use the Z's Oyster Bar & Steakhouse Downtown full menu prices page for price-focused browsing and the cheapest menu items page for budget picks. This calories page is built for nutrition-first filtering.

How to Use This Calories Page

Use this page to compare low-calorie and high-calorie items quickly before ordering. Official values are used where available, and estimated values fill the coverage gap for broad menu discovery.

Estimated values are directional and may vary by location, preparation style, and serving size. For strict dietary planning, cross-check with the official restaurant nutrition statement when available.