Coastal Intelligence

The blog for serious Florida buyers, investors, and Realtors.

No SEO fluff. No "5 tips to lower your rate." Just real lending intelligence from someone closing coastal deals every week, Keys flood zones, STR DSCR underwriting, jumbo strategy, and the insurance math that makes or breaks the deal.

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Florida Keys

The Definitive Florida Keys Mortgage Guide (2026)

Every loan program, flood zone strategy, insurance carrier, condo nuance, and DSCR underwriting detail for buying or investing in the Florida Keys. The 30-minute read that saves you 30 hours of confusion.

Read the guide → 30 min read · Updated June 2026
The complete Keys buyer's + investor's playbook
9 min read

Florida Jumbo Loan Limits 2026 by County

A jumbo loan starts above 832,750 dollars in most of Florida and above 990,150 in the Keys. The 2026 county numbers, multi-unit limits, and how to qualify.

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10 min read

What Is a DSCR Loan? A 2026 Investor Guide

A DSCR loan qualifies on the property's rental income, not your tax returns. How the ratio works, the credit and down payment you need in 2026, and how it differs from a conventional mortgage.

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9 min read

Flood Zone X in Florida: What It Means in 2026

Zone X is Florida's lower-risk flood zone. What shaded and unshaded X mean, why flood insurance is not required but often still smart, and how Zone X compares to AE and VE.

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10 min read

Flood Zone VE in Florida: What It Means in 2026

VE is the highest-risk coastal zone, the waterfront ground where storm waves break. What it means for insurance and your mortgage, why it costs the most, the VE building rules, and VE vs AE.

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10 min read

Flood Zone AE in Florida: What It Means in 2026

AE is the most common high-risk flood zone in Florida. What it means for your insurance and mortgage, how base flood elevation sets the price, AE vs A vs VE, and how to get out of AE.

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11 min read

Florida Flood Zone Map: How to Read Yours in 2026

How to find your flood zone in two minutes, what AE, VE, A, and X really mean, how base flood elevation drives the price, and when your mortgage forces flood insurance.

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12 min read

Non-Warrantable Condo Loans in Florida: The 2026 Guide

Why the new Florida condo safety laws pushed so many coastal buildings into non-warrantable status, the exact Fannie Mae rules that trigger it, and how portfolio and Non-QM loans still close the deal.

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20 min read

DSCR Loans for Coastal Florida STRs: The Complete Underwriting Playbook

How DSCR lenders actually underwrite Airbnb income in the Keys, Naples, and Treasure Coast. T-12 vs AirDNA projected, occupancy adjustments, permit verification, and the lenders who say yes when others say no.

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18 min read

Florida Flood Zone Lending: AE, VE, X, What Lenders Actually Care About

Flood zones impact your loan more than your buyer knows. Elevation certificates, NFIP vs private flood, VE zone portfolio path, and grandfathered policy strategy that can save $8K to $18K per year.

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15 min read

Florida Insurance Reality: How HOI & Wind Pricing Killed (or Saved) Your Deal

Citizens vs surplus lines, wind mitigation credits, the 2026 carrier landscape after the reform, and exactly how to quote insurance BEFORE you go under contract, before the numbers kill your DTI.

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16 min read

Jumbo Loans in the Florida Keys: 2026 Limits, Rates, and Underwriting

Monroe County's $990K conforming limit, when jumbo beats conforming on rate, asset-depletion formula, portfolio jumbo for non-warrantable condos, and reserve requirements on $2M to $5M purchases.

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22 min read

The Coastal Florida Investor Playbook: Acquisition, Hold & Exit Financing

Bridge to DSCR to portfolio refi, the full investor lending stack, walked through with real coastal Florida deal structures. How to build an STR portfolio without W-2 income or tax return dependency.

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19 min read

Florida First-Time Buyer 2026: Programs, Rates, and the Honest Truth

FHA vs conventional vs VA, Hometown Heroes ($35K grant), SHIP, DPA stacking, closing cost breakdown for a $400K purchase, and the 6 mistakes that kill first-time buyer deals in Florida.

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12 min read

Refinance Strategy 2026: When to Move, When to Wait, When to Recast

Rates are softening but not at the basement. Break-even math, term-reduction strategy, ARM-to-fixed timing, and recast vs refi, a framework for deciding what's actually right for your situation.

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Coastal Intelligence, monthly.

Rate direction, insurance carrier moves, Keys market signals, program changes, once a month, no spam. Built for Realtors, investors, and serious buyers in coastal FL.

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E

Eli O. Sanderlin · NMLS #1983384

Senior Mortgage Loan Advisor at Coast2Coast Mortgage, LLC. Specializing in Florida Keys, coastal FL markets, investor DSCR, luxury jumbo, and the deals other lenders won't quote. Everything published here is from real deal experience, not generic mortgage content.

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