Charity Search / CONSERVANCY OF THE SEA ISLANDS
Environment (C340) IRS Verified DX Registered 990 on File

CONSERVANCY OF THE SEA ISLANDS

EIN: 58-2359979 · JOHNS ISLAND, SC 29455-5479 · United States · FY 2024 Data
3 out of 5 52 / 100 Based on 2+ years of filings
Financial strength (30%) 70/100
Reliability (20%) 55/100
Effectiveness (25%) 81/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
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CharityAI™ Score
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Financial Overview — FY 2024
$4.3M
Total Revenue
$3.6M
Total Expenses
$4.9M
Net Assets
9
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 87.9%
Fundraising Efficiency 265.0%
Operating Reserve 16.22x
Liability-to-Asset 2.7%
Revenue Diversification 101.1%
Executive Compensation $139K
Compared with Peers
FY 2024
Compared with 1,442 similar organizations (United States, Environment, $1M–$10M in expenses), FY 2024.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
87.9% 82.0%
P10P90
Above median
Admin expense ratio
Management and general / total expenses · lower is better
5.4% 12.2%
P10P90
Top quarter
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
6.7% 3.8%
P10P90
Below median
Fundraising efficiency
Fundraising expenses / gross fundraising income · lower is better
265.0% 334.8%
P10P90
Above median
Operating reserve
Months of expenses covered by net assets · higher is better
16.2 mo 13.4 mo
P10P90
Above median
Liabilities to assets
Total liabilities / total assets · lower is better
2.7% 8.5%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
101.1% 90.7%
P10P90
Bottom quarter
Revenue growth
Year over year revenue growth
102.6% 11.6%
P10P90
Expense growth
Year over year expense growth
139.7% 13.0%
P10P90
Surplus margin
Surplus as a share of revenue
16.3% 4.5%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $4.3M $3.6M $4.9M 87.9% 9
2023 $2.1M $1.5M $4.2M 74.6% 8
2022 $1.4M $1.2M $3.5M 75.3% 9
2021 $1.5M $968K N/A — 4
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Organization Details
EIN
58-2359979
State
SC
City
JOHNS ISLAND
ZIP
29455-5479
Classification
C340
Category
Environment
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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