GSA · CONUS Per Diem

Nantucket, Massachusetts GSA Per Diem Rates (FY2026)

Effective date: July 1, 2026 Last updated: October 1, 2025
Lodging (per night)
$471
Peak season
M&IE (per day)
$92
Maximum per diem
$563
Lodging + M&IE

Seasonal breakdown

GSA sets seasonal lodging rates for Nantucket: the nightly lodging ceiling changes during the year (it is highest in peak travel months), while the M&IE rate stays constant.

Season Lodging M&IE Max per diem
Jun 1 – Sep 30 $471 $92 $563
Oct 1 – May 31 $175 $92 $267

Historical rate trend

Nantucket rate history — Max per diem ($/day). Query any past effective date directly via the API.

Period Lodging M&IE Max per diem
FY2026 $471 $92 $563
FY2025 $471 $92 $563
FY2024 $459 $79 $538
FY2023 $459 $79 $538
FY2022 $354 $79 $433
FY2021 $354 $76 $430
FY2020 $340 $76 $416
FY2019 $294 $76 $370
FY2018 $300 $74 $374
FY2016 $275 $74 $349
FY2015 $289 $61 $350
FY2014 $267 $61 $328

How this rate is used

This GSA per diem rate sets the maximum reimbursable lodging and meals & incidental expenses (M&IE) for federal employees and government contractors on temporary duty (TDY) travel to Nantucket, Massachusetts. Travel and expense systems use it as the ceiling for voucher reimbursement; contractors use it for DCAA-compliant travel cost modeling on proposals and invoices.

Get this data from the API

The exact request that returns this page's data. Change the date parameter to query any historical effective date, or pull it straight into your ERP, payroll, or expense system.

curl -H "X-API-Key: YOUR_KEY" \
  "https://api.allowancesapi.com/v1/gsa/perdiem/state/US-MA?city=Nantucket"
Sample response
{
  "effective_date": "2026-07-01",
  "results": [
    {
      "destination": "Nantucket",
      "lodging": 471,
      "meals_incidental": 92,
      "season_begin": "06/01",
      "season_end": "09/30",
      "state": "US-MA"
    }
  ],
  "verification_url": "https://www.gsa.gov/travel/plan-book/per-diem-rates"
}

Source & methodology

Effective period
Fiscal Year 2026 (Oct 1, 2025 – Sep 30, 2026)
Last updated
October 1, 2025

Allowances API is not affiliated with, endorsed by, or sponsored by any U.S. Government agency. All rate data is sourced from official public rate tables and re-published in a normalized format.