Great Island Foundation Inc

Nonprofit profile at a glance

EIN
921629368
IRS 990-EZ coverage
2025–2025
Forms available
Form 990 2024, Form 990-EZ 2025, Form 990-N 2023
Location
Old Lyme, CT, USA
Phone
2033767958
Rating confidence
Limited
Sector
Alliance/Advocacy Organizations

Official website

Reported finances

Revenue
$498
Expenses
$84
Assets
$25,736

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Amounts in USD.

Leadership & pay

1 person listed

Executive titles in this filing

  • ELIZABETH H KARTER (PRESIDENT)

People named in this filing

  • ELIZABETH H KARTER (PRESIDENT)

Selected names, not a complete roster or a statement of current roles. Open leadership details for the complete filed list.

Source: IRS Form 990-EZ. Selected filing: tax year 2025. Names and roles reflect this filing, not necessarily current officeholders.

Overview

Mission

Great island foundation inc (gif) actions are primarily focused on restoring and protecting keystone species in the long island sound through projects primarily involving oysters, eelgrass, and living shorelines. One of gif's principal purposes is to educate our local community on the ecological benefits of oysters and eelgrass.

What it reported doing in 2025

Oyster actions collected and treated 100+ pounds of oyster shell from local restaurants throughout southeastern ct identified natural, historic oyster beds in the Connecticut river as sites for oyster bed restoration collaborated with regional non-profits and state partners to formulate long-term restoration plans and objectives

Operating model

Revenue model
Investment-supported. 100% of the money available for current operations came from recurring investment income.
Distribution model
Cannot be determined from the filing. The filing does not provide enough consistent spending detail to tell whether the nonprofit works directly or through others.

The verdict

- The available evidence is not sufficient to produce an overall rating for this filing. This is not a warning sign.

Rating breakdown

  • Financial Efficiency: NotEnoughData
  • Transparency & Controls: 82
  • Sustainability: 82
  • Growth: 20

Detailed rating inputs

Financial Efficiency

  • Mission deployment rate: Limited
  • Program expense ratio: Limited

Transparency & Controls

  • Consistency checks: 100%; rating input score 100; 51st percentile among comparable filings
  • Major donor itemization: Limited

Sustainability

  • Operating margin: 83.1%; rating input score 97; 97th percentile among comparable filings
  • Total-asset coverage ratio: 306.38; rating input score 100; 100th percentile among comparable filings
  • Liabilities to assets ratio: Limited
  • Officer compensation ratio: 0%; rating input score 56; 56th percentile among comparable filings

Growth

  • Program expense growth: Limited
  • Revenue growth: -69.7% per year; rating input score 0; 4th percentile among comparable filings
  • Asset growth: 1.6% per year; rating input score 100; 44th percentile among comparable filings

Details

  • Where the money goes: Financial trends and filed revenue, expense, asset, and liability detail
  • Governance: Filed governance answers
  • Accomplishments: 2 filed program accomplishments
  • Leadership: top reported pay $0 · 1 people listed
  • Consistency: 5 of 5 current checks pass
  • Schedules: 2 filed schedules
  • Contacts: How to reach this organization
  • Grant readiness: Federal tax and exclusion status, award history, and grant-maker relationships.
  • People: Everyone the filings name, and which of them the filings identify by more than a name.

Key Signals

Signals prioritize questions for review. They are not findings of misconduct.

  • High — Growth: Revenue growth scored 0/100.
  • Review — Sustainability: Officer compensation ratio scored 56/100.