How many environment nonprofits operate in Florida?

Every IRS-registered environment nonprofit in Florida appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.

What's the largest environment nonprofit in Florida?

The single largest environment nonprofit in Florida by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.

How do I vet a environment nonprofit in Florida before donating?

Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.

Are donations to Florida environment nonprofits tax-deductible?

Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed environment nonprofit in Florida are tax-deductible at the federal level; Florida state tax treatment may differ.

Where do environment nonprofits in Florida file their Form 990?

All US tax-exempt organisations file Form 990 with the IRS at the federal level. There is no state-specific filing for the federal exemption itself. Florida state charity registration is a separate state-level requirement.

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Florida · NTEE C

Environment Nonprofits in Florida

Givalgo Discover indexes 50 active environment nonprofits headquartered in Florida. The list below is sorted by reported revenue on the most recent Form 990 indexed for each organisation.

Top 50 by reported revenue

From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.

#	Organisation	Revenue
1	NOKUSE EDUCATION INC EIN 65-1290397	$70.9M
2	THE EVERGLADES FOUNDATION INC EIN 59-3228899	$25.5M
3	NAPLES BOTANICAL GARDEN INC EIN 65-0511429	$20.4M
4	MARIE SELBY BOTANICAL GARDENS INC EIN 59-1848965	$17.6M
5	FAIRCHILD TROPICAL BOTANIC GARDEN EIN 59-0668480	$14.5M
6	TALL TIMBERS FOUNDATION INC EIN 59-3681376	$13.4M
7	CONSERVATION FLORIDA INC EIN 59-3613021	$11.5M
8	NORTH FLORIDA LAND TRUST INC EIN 59-3609167	$11.2M
9	ALACHUA CONSERVATION TRUST INCORPORATED EIN 59-2919630	$9.4M
10	CORAL RESTORATION FOUNDATION INC EIN 65-1054647	$8.8M
11	SANIBEL-CAPTIVA CONSERVATION FOUNDATION INC EIN 59-1205087	$8.3M
12	SOLAR AND ENERGY LOAN FUND OF ST LUCIE COUNTY INC EIN 27-3102098	$7.3M
13	CHILDRENS CASE MANAGEMENT ORGANIZATION INC EIN 65-0166352	$7.0M
14	JEWISH CLIMATE TRUST INC EIN 99-1658287	$6.7M
15	UNDERLINE MANAGEMENT ORGANIZATION INC EIN 81-4728090	$5.9M
16	GROUNDWORK JACKSONVILLE INC EIN 47-2342111	$5.0M
17	TAMPA BAYWATCH INC EIN 59-3191962	$5.0M
18	SAVE CRYSTAL RIVER INC EIN 45-3856534	$5.0M
19	BIG WATERS LAND TRUST INC EIN 20-0345249	$4.9M
20	AFRICAN COMMUNITY AND CONSERVATION FOUNDATION INC EIN 83-0939572	$4.9M
21	BISCAYNE BAY WATERKEEPER INC EIN 27-3627697	$4.8M
22	GREEN RESTAURANT ORGANIZATION INC EIN 39-3768796	$4.7M
23	TAMPA BAY HISTORY CENTER INC EIN 59-3058652	$4.3M
24	MCKEE BOTANICAL GARDEN INC EIN 65-1189895	$4.1M
25	HOMOSASSA RIVER RESTORATION PROJECT INC EIN 81-5074899	$3.9M
26	FLORIDA AUDUBON SOCIETY EIN 59-0245495	$3.8M
27	THE FUNDERS NETWORK INC EIN 57-1173613	$3.7M
28	FLORIDA WILDLIFE CORRIDOR FOUNDATION INC EIN 20-1822793	$3.7M
29	GUY HARVEY OCEAN FUND INC EIN 26-1710999	$3.6M
30	INDIAN RIVER LAND TR INC EIN 65-0059649	$3.2M
31	OCEAN RESEARCH & CONSERVATION ASSOCIATION INC EIN 20-0901011	$2.9M
32	PARTNERSHIP FOR GULF COAST LAND CONSERVATION INC EIN 84-4616018	$2.9M
33	GASPARILLA ISLAND CONSERVATION AND IMPROVEMENT ASSOCIATION INC EIN 23-7097778	$2.8M
34	ECOSPHERE RESTORATION INSTITUTE INC EIN 26-1420853	$2.7M
35	EARTH INBALANCE CORPORATION EIN 92-2721588	$2.7M
36	JACKSONVILLE ARBORETUM & GARDENS INC EIN 20-1061861	$2.6M
37	CLEO INSTITUTE INC EIN 27-3185735	$2.6M
38	PEACE RIVER BOTANICAL & SCULPTURE GARDENS INC EIN 26-3285783	$2.5M
39	1000 FRIENDS OF FLORIDA INC EIN 59-2761163	$2.4M
40	REEF RENEWAL USA INC EIN 83-4404613	$2.3M
41	FRIENDS OF THE MOUNTS BOTANICAL GARDEN INC EIN 59-2418059	$2.3M
42	PIGEON KEY FOUNDATION EIN 65-0379803	$2.2M
43	PATCH OF HEAVEN SANCTUARY INC EIN 82-4408312	$2.1M
44	PENSACOLA AND PERDIDO BAYS ESTUARY PROGRAM INC EIN 93-1499384	$2.1M
45	ENVIROMENTAL LEARNING CENTER INC EIN 65-0064129	$1.8M
46	FRIENDS OF THE EVERGLADES INC EIN 23-7099893	$1.8M
47	COMMUNITY GREENING CORP EIN 81-3559159	$1.7M
48	PERPETUAL USE INC EIN 87-3792832	$1.7M
49	NATIONAL NETWORK OF ABORTION FUNDS EIN 59-3396077	$1.6M
50	4OCEAN CHARITABLE FOUNDATION INC EIN 88-2694307	$1.6M

Featured organizations

A representative cross-section beyond the revenue ranking, from national institutions to small community groups and private foundations, chosen for complete, recent IRS filings.

Kenneth Kirchman Foundation Inc
SAINT CLOUD, FL · $100M–$1B in assets
MDS FAMLY Foundation Inc
MAITLAND, FL · $100M–$1B in assets
Florida Chapter of the International Society of Arboriculture Inc
CLEARWATER, FL · $100K–$1M revenue
Keep Santa Rosa Beautiful Inc
MILTON, FL · Under $100K revenue

Frequently asked questions about environment nonprofits in Florida

Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.

How many environment nonprofits operate in Florida?: Every IRS-registered environment nonprofit in Florida appears in the Givalgo Discover index. The top 50 by reported revenue are listed on this page; the full set is searchable on discover.givalgo.ai.
What's the largest environment nonprofit in Florida?: The single largest environment nonprofit in Florida by reported total revenue is shown at the top of the list on this page, sourced from each organisation's most recent IRS Form 990 filing.
How do I vet a environment nonprofit in Florida before donating?: Use Givalgo Discover's free profile for the organisation: it cross-references the IRS Auto-Revocation List, IRS Publication 78, and the IRS Business Master File, and exposes the latest Form 990 financials and governance signals on a single page.
Are donations to Florida environment nonprofits tax-deductible?: Federal deductibility is determined by IRS Publication 78 status, not state location. Donations to a Pub 78-listed environment nonprofit in Florida are tax-deductible at the federal level; Florida state tax treatment may differ.
Where do environment nonprofits in Florida file their Form 990?: All US tax-exempt organisations file Form 990 with the IRS at the federal level. There is no state-specific filing for the federal exemption itself. Florida state charity registration is a separate state-level requirement.