For many Floridians, the years between early retirement and Medicare eligibility at age 65 represent the most financially challenging period for health insurance. Employer coverage ends, COBRA is expensive, and private insurance at ages 55-64 carries the highest premiums in the individual market. Understanding how the ACA marketplace works for retirees — and how to manage retirement income to maximize subsidies — can save early retirees in Florida tens of thousands of dollars.
This guide covers the transition from employer coverage to marketplace coverage, COBRA versus the marketplace, how different types of retirement income affect ACA subsidies, strategic Roth conversion planning, and how to bridge the gap until Medicare.
Medicare eligibility begins at age 65 (or earlier for those with qualifying disabilities or ESRD). If you retire before 65, you need health insurance coverage for every month between your retirement date and your 65th birthday. This gap can be as long as 10+ years for those who retire in their mid-50s.
Before the ACA, early retirees faced a harsh individual insurance market: pre-existing conditions could result in denials or exclusions, premiums for older adults were unregulated, and there were no subsidies. The ACA changed this fundamentally — guaranteed issue, community rating (premiums vary by age but the oldest can only be charged 3x the youngest), and income-based premium tax credits make marketplace coverage accessible and often affordable for early retirees.
Florida is a particularly important state for retirement health insurance because of its large retiree population and its reliance on the federal marketplace at HealthCare.gov (Florida does not operate a state exchange).
When you leave your employer, you typically have two primary options: COBRA continuation coverage or an ACA marketplace plan. Here is how they compare:
| Factor | COBRA | ACA Marketplace |
|---|---|---|
| Duration | Up to 18 months (36 for spouse/dependents in some cases) | Continuous — no time limit until Medicare at 65 |
| Monthly Premium | Full employer + employee premium + 2% admin fee. Typically $600-$1,800+/month for individual. | Varies by plan and income. Often $0-$200/month with subsidies for retirees managing income carefully. |
| Subsidies Available? | No | Yes — premium tax credits based on MAGI |
| Provider Network | Same as your employer plan | Varies by carrier and plan — may differ from employer plan |
| Prescription Drug Coverage | Same as your employer plan | Varies — check formulary for your medications |
For most early retirees, the math strongly favors the marketplace. A 60-year-old retiree in Florida with $40,000 in annual income might pay $150/month for a Silver marketplace plan after subsidies — compared to $1,200/month for COBRA continuation of an employer plan. That is a savings of over $12,000 per year.
ACA premium tax credits are based on your Modified Adjusted Gross Income (MAGI). For early retirees, understanding which income sources count toward MAGI is critical — because controlling your MAGI directly controls your subsidy amount.
Income sources that count toward MAGI:
Income sources that do NOT count toward MAGI:
The key insight for early retirees on the ACA marketplace is that you have significant control over your MAGI from year to year. Unlike during your working years — when your salary was fixed — in retirement, you choose how much to withdraw from each account, when to realize capital gains, and how to structure your income.
A well-planned withdrawal strategy can keep your MAGI in the range that maximizes ACA subsidies while providing sufficient income for your living expenses. Here are the key income thresholds for a married couple filing jointly in 2026:
| MAGI Range (Couple) | % of FPL | ACA Benefit |
|---|---|---|
| $21,640 – $32,460 | 100% – 150% | $0 premium for benchmark Silver; strongest CSR |
| $32,460 – $43,280 | 150% – 200% | Very low premium; strong CSR (87% AV Silver) |
| $43,280 – $54,100 | 200% – 250% | Low premium; moderate CSR (73% AV Silver) |
| $54,100 – $86,560 | 250% – 400% | Subsidy available; no CSR |
| Above $86,560 | Above 400% | Premium capped at 8.5% of income (enhanced subsidies) |
A retired couple who can keep their MAGI between $21,640 and $54,100 per year qualifies for significant subsidies and possibly cost-sharing reductions. The difference in annual healthcare costs between a MAGI of $50,000 and $90,000 can easily be $10,000-$15,000 per year.
The years between retirement and Medicare present a unique opportunity for Roth conversions — transferring money from a traditional IRA or 401(k) to a Roth IRA. The converted amount is taxable income in the year of conversion, but future withdrawals from the Roth IRA are tax-free and do not count toward MAGI.
The strategic tension: Roth conversions increase your MAGI in the conversion year, which reduces your ACA subsidy. But they reduce your future MAGI in later years, which preserves future subsidies and reduces Required Minimum Distributions (RMDs) after age 73.
The optimal approach for most early retirees on ACA marketplace coverage:
If you retire before 65, you may be deciding whether to claim Social Security benefits at 62 or delay to a later age. This decision interacts directly with your ACA marketplace subsidies:
Claiming at 62: Adds the taxable portion of Social Security to your MAGI, which reduces your ACA subsidy. However, it provides income that can reduce the need for retirement account withdrawals. At lower income levels, only 50% of Social Security may be taxable — or none at all if your combined income is below $25,000 (individual) or $32,000 (couple).
Delaying to 67 or 70: Keeps Social Security income out of your MAGI during early retirement, preserving larger ACA subsidies. Delaying also increases your monthly benefit by 6-8% per year of delay beyond full retirement age. The trade-off is that you must fund living expenses from other sources during the delay period.
There is no universally "right" answer — the optimal strategy depends on your total financial picture, life expectancy assumptions, other income sources, and healthcare cost projections. A financial advisor familiar with ACA subsidy interactions can model different scenarios.
Early retirees tend to use more healthcare services than younger enrollees, which affects plan selection:
If your MAGI is below 250% FPL: A CSR-enhanced Silver plan is almost certainly the best choice. The deductible will be very low ($100-$750 depending on your exact income), copays will be modest, and the out-of-pocket maximum will be $2,000-$3,000 rather than $9,200. This provides comprehensive coverage at minimal cost — ideal for the 55-64 age group.
If your MAGI is 250%-400% FPL: Compare Silver and Gold plans. Without CSR, Gold plans may offer better value for retirees who expect significant medical utilization — lower deductibles, lower copays, and more predictable costs. The higher premium is offset by lower out-of-pocket spending when you actually use care.
If your MAGI is above 400% FPL: Under enhanced subsidies, your premium is capped at 8.5% of income. At higher incomes, you may still receive some subsidy. Compare Gold plans (lower cost-sharing) against high-deductible Bronze plans paired with HSA contributions if you're HSA-eligible.
Prescription drug coverage: If you take regular medications, check each plan's formulary carefully. Retirees are more likely to take maintenance medications for blood pressure, cholesterol, diabetes, or other chronic conditions. A plan that covers your medications at Tier 1 or Tier 2 can save hundreds per month compared to a plan that places them on Tier 3.
When you turn 65, you become eligible for Medicare. The transition from marketplace coverage to Medicare requires specific timing:
Should I choose COBRA or the ACA marketplace after retiring in Florida?
For most early retirees in Florida, the ACA marketplace is significantly more affordable than COBRA. COBRA requires you to pay the full premium plus a 2% fee — often $600-$1,800+/month for an individual. Marketplace plans with subsidies can cost $0-$200/month depending on your income. COBRA may be preferable only as a short-term bridge if you're mid-treatment with specific providers, or if you've already met your deductible for the year. You can drop COBRA at any time and switch to a marketplace plan.
Do 401(k) withdrawals count as income for ACA subsidies?
Yes. Withdrawals from traditional 401(k) and traditional IRA accounts are included in your MAGI for ACA subsidy purposes. Every dollar withdrawn increases your MAGI and may reduce your subsidy. Roth IRA and Roth 401(k) withdrawals, by contrast, are not included in MAGI — making strategic use of Roth accounts during early retirement one of the most powerful tools for keeping subsidies high.
Does Social Security count as income for ACA marketplace subsidies?
Yes, partially. For ACA MAGI purposes, you include the taxable portion of Social Security benefits. Under current tax rules, if your combined income exceeds $25,000 (individual) or $32,000 (couple), 50-85% of your Social Security benefits become taxable and are included in MAGI. This affects your ACA subsidy amount.
Can I do Roth conversions while on ACA marketplace insurance?
Yes, but Roth conversions increase your MAGI in the conversion year, which reduces your ACA subsidy. Many early retirees do partial conversions each year, converting enough to stay within a desired ACA subsidy bracket. This balances the long-term tax benefit of Roth conversions against the short-term cost of reduced subsidies.
Recently retired or planning to retire before 65? A licensed Florida health insurance agent can help you find the best marketplace plan and optimize your coverage costs during the transition to Medicare — at no cost to you.
Get a Free Retirement Coverage ReviewRelated reading: Florida ACA Guide Hub | Florida ACA Subsidy Calculator | HSA-Compatible Health Plans in Florida